Advertisements
Advertisements
Question
Factorise : 9x 2 + 3x - 8y - 64y2
Advertisements
Solution
9x 2 + 3x - 8y - 64y2
= 9x2 - 64y2 + 3x - 8y
= [ (3x)2 - (8y)2 ] + ( 3x - 8y )
= [( 3x + 8y )( 3x - 8y )] + ( 3x - 8y )
= ( 3x - 8y )( 3x + 8y + 1 )
APPEARS IN
RELATED QUESTIONS
Find the common factors of the terms.
12x, 36
Find the common factors of the terms.
2y, 22xy
Find the common factors of the terms.
3x2y3, 10x3y2, 6x2y2z
Factorise the following expression:
6p − 12q
Factorise the following expression:
−16z + 20z3
Factorise.
x2 + xy + 8x + 8y
Factorise.
15xy − 6x + 5y − 2
Factorize the following:
5x − 15x2
Factorize the following:
20a12b2 − 15a8b4
Factorize the following:
x4y2 − x2y4 − x4y4
Factories by taking out common factors :
ab(a2 + b2 - c2) - bc(c2 - a2 - b2) + ca(a2 + b2 - c2)
Factorise : 4x4 + 9y4 + 11x2y2
Factorise : 12(3x - 2y)2 - 3x + 2y - 1
Factorise : 3 - 5x + 5y - 12(x - y)2
Factorise : 2(ab + cd) - a2 - b2 + c2 + d2
Find the value of : ( 67.8 )2 - ( 32.2 )2
Factorise : 2b (2a + b) - 3c (2a + b)
Factorise : 12abc - 6a2b2c2 + 3a3b3c3
factorise : 35a3b2c + 42ab2c2
Factorise: 36x2y2 - 30x3y3 + 48x3y2
factorise : (ax + by)2 + (bx - ay)2
factorise : m - 1 - (m-1)2 + am - a
Factorise: a2 - 0·36 b2
Factorise the following by taking out the common factors:
2x5y + 8x3y2 - 12x2y3
Factorise the following by taking out the common factors:
(a - b)2 -2(a - b)
Factorise the following by taking out the common factors:
(mx + ny)2 + (nx - my)2
Factorise the following by taking out the common factors:
p(p2 + q2 - r2) + q(r2 - q2 -p2) - r(p2 + q2 - r2)
