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Chapters
2: Exponents
3: Squares and Square Root
4: Cubes and Cube Roots
5: Playing with Numbers
6: Sets
7: Percent and Percentage
8: Profit, Loss and Discount
9: Interest
10: Direct and Inverse Variations
11: Algebraic Expressions
12: Identities
▶ 13: Factorisation
14: Linear Equations in one Variable
15: Linear Inequations
16: Understanding Shapes
17: Special Types of Quadrilaterals
18: Constructions
19: Representing 3-D in 2-D
20: Area of a Trapezium and a Polygon
21: Surface Area, Volume and Capacity
22: Data Handling
23: Probability
![Selina solutions for Concise Mathematics [English] Class 8 ICSE chapter 13 - Factorisation - Shaalaa.com](/images/concise-mathematics-english-class-8-icse_6:3b78c4422443458583dde48f228ef792.jpg "Selina solutions for Concise Mathematics [English] Class 8 ICSE chapter 13 - Factorisation")
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Solutions for Chapter 13: Factorisation
Below listed, you can find solutions for Chapter 13 of CISCE Selina for Concise Mathematics [English] Class 8 ICSE.
Selina solutions for Concise Mathematics [English] Class 8 ICSE 13 Factorisation Exercise 13 (A) [Page 157]
Factorise : 15x + 5
Factorise : a3 - a2 +a
Factorise : 3x2 + 6x3
Factorise : 4a2 - 8ab
Factorise : 2x3b2 - 4x5b4
Factorise : 15x4y3 - 20x3y
Factorise : a3b - a2b2 - b3
Factorise : 6x2y + 9xy2 + 4y3
Factorise : 17a6b8 - 34a4b6 + 51a2b4
Factorise : 3x5y - 27x4y2 + 12x3y3
Factorise : x2(a-b)-y2 (a-b)+z2(a-b)
Factorise : (x + y)(a + b) + (x - y)(a + b)
Factorise : 2b (2a + b) - 3c (2a + b)
Factorise : 12abc - 6a2b2c2 + 3a3b3c3
Factorise : 4x(3x - 2y) - 2y(3x - 2y)
Factorise : (a+ 2b) (3a + b) - (a+ b) (a+ 2b) +(a+ 2b)2
Factorise: 6xy(a2 + b2) + 8yz(a2 + b2) −10xz(a2 + b2)
Selina solutions for Concise Mathematics [English] Class 8 ICSE 13 Factorisation Exercise 13 (B) [Page 158]
Factorise : a2 + ax + ab + bx
Factorise : a2 - ab - ca + bc
Factorise : ab - 2b + a2 - 2a
Factorise : a3 -a2 +a -1
Factorise:
2a − 4b − xa + 2bx
Factorise : xy - ay - ax + a2 + bx - ab
Factorise : 3x5 - 6x4 - 2x3 + 4x2 + x - 2
Factorise : - x2y - x + 3xy + 3
Factorise : 6a2 - 3a2b - bc2 + 2c2
Factorise : 3a2b - 12a2 - 9b + 36
Factorise : x2 - (a - 3)x - 3a
Factorise : x2 - (b - 2)x - 2b
Factorise : a(b − c) − d(c − b)
Factorise : ab2 - (a - c) b - c
Factorise : (a2 − b2) c + (b2 − c2)a
Factorise : a3 - a2 - ab + a + b - 1
Factorise : ab(c2 + d2) - a2cd - b2cd
Factorise : 2ab2 - aby + 2cby - cy2
Factorise : ax + 2bx + 3cx - 3a - 6b - 9c
Factorise : 2ab2c - 2a + 3b3c - 3b - 4b2c2 + 4c
Selina solutions for Concise Mathematics [English] Class 8 ICSE 13 Factorisation Exercise 13 (C) [Page 159]
Factorise: 16 - 9x2
Factorise: 1 - 100a2
Factorise: 4x2 - 81y2
Factorise: `4/25 - 25b^2`
Factorise: (a+ 2b)2 - a2
Factorise: (5a - 3b)2 - 16b2
Factorise: a4 - (a2 - 3b2)2
Factorise: (5a - 2b)2 - (2a - b)2
Factorise: 1 - 25 (a+ b)2
Factorise: 4(2a + b)2 - (a - b)2
Factorise: 25(2x + y)2 - 16(x - y)2
Factorise: 49(x - y)2 -9(2x + y)2
Factorise: `(6 2/3)^2 - (2 1/3)^2`
Factorise: `(7 3/10)^2 - (2 1/10)^2`
Factorise: (0·7)2 - (0·3)2
Factorise: (4.5)2 – (1.5)2
Factorise: 75(x + y)2 - 48(x - y)2
Factorise: a2 + 4a + 4 - b2
Factorise: a2 - b2 - 2b - 1
factorise: x2 + 6x + 9 - 4y2
Selina solutions for Concise Mathematics [English] Class 8 ICSE 13 Factorisation Exercise 13 (D) [Page 161]
factorise: x2 + 6x + 8
factorise: x2 + 4x + 3
factorise: a2 + 5a + 6
factorise: a2 - 5a+ 6
factorise: a2 +5a - 6
factorise: x2 + 5xy + 4y2
factorise: a2 − 3a − 40
factorise: x2 - x - 72
factorise: x2 - 10xy + 24y2
factorise: 2a2 + 7a + 6
factorise: 3a2 - 5a + 2
Factorise: 7b2 - 8b + 1
factorise: 2a2 - 17ab + 26b2
factorise: 2x2 + xy - 6y2
factorise: 4c2 + 3c - 10
factorise: 14x2 + x - 3
factorise: 6 + 7b - 3b2
factorise: 5 + 7x - 6x2
factorise: 4 + y - 14y2
factorise: 5 + 3a - 14a2
factorise: (2a + b)2 + 5(2a + b) + 6
factorise: 1 − (2x + 3y) − 6(2x + 3y)2
factorise: (x - 2y)2 - 12(x - 2y) + 32
factorise: 8 + 6(a + b) - 5(a + b)2
Factorise: 2(x + 2y)2 − 5(x + 2y) + 2
Selina solutions for Concise Mathematics [English] Class 8 ICSE 13 Factorisation Exercise 13 (E) [Page 162]
In the case find whether the trinomial is a perfect square or not:
x2 + 14x + 49
In the case find whether the trinomial is a perfect square or not:
a2 - 10a + 25
In the case find whether the trinomial is a perfect square or not:
4x2 + 4x + 1
In the case find whether the trinomial is a perfect square or not:
9b2 + 12b + 16
In the case find whether the trinomial is a perfect square or not:
16x2 - 16xy + y2
In the case find whether the trinomial is a perfect square or not:
x2 - 4x + 16
Factorise completely: 2 - 8x2
Factorise completely: 8x2y - 18y3
Factorise completely: ax2 - ay2
Factorise completely: 25x3 - x
Factorise completely: a4 - b4
Factorise completely: 16x4 - 81y4
Factorise completely: 625 - x4
Factorise completely: x2 - y2 - 3x - 3y
Factorise completely: x2 - y2 - 2x + 2y
Factorise completely: 3x2 + 15x - 72
Factorise completely: 2a2 - 8a - 64
Factorise completely: 5b2 + 45b + 90
Factorise completely: 3x2y + 11xy + 6y
Factorise completely:
5ap2 + 11ap + 2a
Factorise completely: a2 + 2ab + b2 - c2
Factorise completely: x2 + 6xy + 9y2 + x + 3y
Factorise completely: 4a2 -12ab + 9b2 + 4a- 6b
Factorise completely: 2a2b2 - 98b4
Factorise completely:
a2 − 16b2 − 2a − 8b
Selina solutions for Concise Mathematics [English] Class 8 ICSE 13 Factorisation Exercise 13 (F) [Page 163]
factorise : 6x3 - 8x2
factorise : 35a3b2c + 42ab2c2
Factorise: 36x2y2 - 30x3y3 + 48x3y2
factorise : 8(2a + 3b)3 - 12(2a + 3b)2
factorise:
9a (x − 2y)4 − 12a (x − 2y)3
factorise : a2 - ab - 3a + 3b
factorise : x2y - xy2 + 5x - 5y
Factorise:
a2 – ab(1 – b) – b3
factorise : xy2 + (x - 1) y - 1
factorise : (ax + by)2 + (bx - ay)2
factorise : ab(x2 + y2) - xy (a2 + b2)
factorise : m - 1 - (m-1)2 + am - a
factorise : a2 - (b - c)2
factorise : 25(2x - y)2 - 16(x - 2y)2
factorise : 16(5x + 4)2 -9(3x - 2)2
Factorise: `9x^2 - 1/16`
factorise: 25(x - 2y)2 - 4
factorise: a2 - 23a + 42
factorise: a2 - 23a -108
factorise: 1 - 18x - 63x2
factorise: 5x2 - 4xy - 12y2
factorise: x(3x + 14) + 8
factorise: 5 - 4x(1 + 3x)
factorise: x2y2 - 3xy - 40
factorise: (3x - 2y)2 - 5(3x - 2y) - 24
factorise: 12(a + b)2 - (a+ b) - 35
factorise: 15(5x - 4)2 - 10(5x - 4)
factorise: 3a2x - bx + 3a2 - b
factorise: b(c - d)2 + a(d - c) + 3(c - d)
factorise: ax2 + b2y - ab2 - x2y
factorise: 1 - 3x - 3y - 4(x + y)2
factorise: 2a3 - 50a
factorise: 54a2b2 - 6
factorise: 64a2b - 144b3
factorise: (2x - y)3 - (2x - Y)
factorise: x2 - 2xy + y2 - z2
Factorise: x2 - y2 - 2yz - z2
factorise: 7a5 - 567a
factorise: `5"x"^2 - (20"x"^4)/9`
Factorise xy2 - xz2, Hence, find the value of :
9 x 82 - 9 x 22
Factorise xy2 - xz2, Hence, find the value of :
40 x 5.52 - 40 x 4.52
Factorise: (a - 3b)2 - 36 b2
Factorise: 25(a - 5b)2 - 4(a - 3b)2
Factorise: a2 - 0·36 b2
Factorise: a4 - 625
Factorise: x4 - 5x2 - 36
Factorise: 15(2x - y)2 - 16(2x - y) - 15
Factorise a2b − b3. Using this result, find the value of 1012 × 100 − 1003.
Evaluate (using factors) : 3012 x 300 - 3003.
Solutions for 13: Factorisation
Selina solutions for Concise Mathematics [English] Class 8 ICSE chapter 13 - Factorisation
Shaalaa.com has the CISCE Mathematics Concise Mathematics [English] Class 8 ICSE CISCE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Selina solutions for Mathematics Concise Mathematics [English] Class 8 ICSE CISCE 13 (Factorisation) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Selina textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Concise Mathematics [English] Class 8 ICSE chapter 13 Factorisation are Factorisation by Taking Out Common Factors, Factorisation by Difference of Two Squares, Factorisation of Trinomials, Factorising a Perfect Square Trinomial, Factorising Completely, Factorisation by Grouping, Factorisation by Taking Out Common Factors.
Using Selina Concise Mathematics [English] Class 8 ICSE solutions Factorisation exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Selina Solutions are essential questions that can be asked in the final exam. Maximum CISCE Concise Mathematics [English] Class 8 ICSE students prefer Selina Textbook Solutions to score more in exams.
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