#### Chapters

Chapter 2: Parallel lines and transversals

Chapter 3: Indices and Cube root

Chapter 4: Altitudes and Medians of a triangle

Chapter 5: Expansion formulae

Chapter 6: Factorisation of Algebraic expressions

Chapter 7: Variation

Chapter 8: Quadrilateral : Constructions and Types

Chapter 9: Discount and Commission

Chapter 10: Division of Polynomials

Chapter 11: Statistics

Chapter 12: Equations in one variable

Chapter 13: Congruence of triangles

Chapter 14: Compound interest

Chapter 15: Area

Chapter 16: Surface area and Volume

Chapter 17: Circle : Chord and Arc

## Chapter 5: Expansion formulae

#### Balbharati solutions for Maharashtra state board Class 8 Mathematics Chapter 5 Expansion formulae Exercise Practice Set 5.1 [Page 24]

Expand.

(a+2)(a−1)

Expand.

(m−4)(m+6)

Expand.

(p+8) (p−3)

Expand.

(13+x) (13−x)

Expand.

(3x+4y) (3x+5y)

Expand.

(9x−5t) (9x+3t)

Expand.

`(m+2/3)(m-7/3)`

Expand.

`(x+1/x)(x-1/x)`

Expand.

`(1/y+4)(1/y-9)`

#### Balbharati solutions for Maharashtra state board Class 8 Mathematics Chapter 5 Expansion formulae Exercise Practice Set 5.2 [Page 25]

Expand

(k + 4)^{3}

Expand

(7x + 8y)^{3}

Expand

(7 + m)^{3}

Expand

(52)^{3}

Expand

(101)^{3}

Expand

`(x + 1/x)^3`

Expand

`(2m + 1/5)^3`

Expand

`((5x)/y + y/(5x))^3`

#### Balbharati solutions for Maharashtra state board Class 8 Mathematics Chapter 5 Expansion formulae Exercise Practice Set 5.3, Practice set 5.3 [Page 27]

Expand

(2m − 5)^{3}

Expand

(4 − p)^{3 }

Expand

(7x − 9y)^{3}

Expand

(58)^{3}

Expand

(198)^{3}

Expand

`(2p - 1/(2p))^3`

Expand

`(1 - 1/a)^3`

Expand

`(x/3 - 3/x)^3`

Simplify

(2a + b)^{3 }− (2a − b)^{3}

Simplify

(3r − 2k)^{3} + (3r + 2k)^{3}

Simplify

(4a − 3)^{3 }− (4a +3)^{3}

Simplify

(5x − 7y)^{3 }+ (5x + 7y)^{3}

#### Balbharati solutions for Maharashtra state board Class 8 Mathematics Chapter 5 Expansion formulae Exercise Practice Set 5.4 [Page 28]

Expand.

(2p + q +5)^{2}

Expand.

(m + 2n +3r)^{2}

Expand.

(3x +4y − 5p)^{2}

Expand.

(7m − 3n − 4k)^{2}

Simplify.

(x − 2y +3)^{2} + (x + 2y − 3)^{2}

Simplify.

(3k − 4r − 2m)^{2 }− (3k + 4r − 2m)^{2}

Simplify.

(7a − 6b + 5c)^{2 }+ (7a + 6b − 5c)^{2}

## Chapter 5: Expansion formulae

## Balbharati solutions for Maharashtra state board Class 8 Mathematics chapter 5 - Expansion formulae

Balbharati solutions for Maharashtra state board Class 8 Mathematics chapter 5 (Expansion formulae) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board Maharashtra state board Class 8 Mathematics solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Maharashtra state board Class 8 Mathematics chapter 5 Expansion formulae are Expansion of (X + A) (X + B), Expansion of (A + B)3, Expansion of (A - B)3, Expansion of (A + B + C)2.

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