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.
14pq, 28p2q2
Find the common factors of the terms.
2x, 3x2, 4
Factorise the following expression:
− 4a2 + 4ab − 4 ca
Factorize the following:
20a12b2 − 15a8b4
Factorize the following:
2x3y2 − 4x2y3 + 8xy4
Factorize the following:
9x2y + 3axy
Factorize the following:
x2yz + xy2z + xyz2
Factorise by taking out the common factors :
2 (2x - 5y) (3x + 4y) - 6 (2x - 5y) (x - y)
Factories by taking out common factors :
xy(3x2 - 2y2) - yz(2y2 - 3x2) + zx(15x2 - 10y2)
Factories by taking out common factors :
ab(a2 + b2 - c2) - bc(c2 - a2 - b2) + ca(a2 + b2 - c2)
Factorise : (a2 - a) (4a2 - 4a - 5) - 6
Factorise : 3 - 5x + 5y - 12(x - y)2
Find the value of : `[(6.7)^2 - (3.3)^2]/[6.7 - 3.3]`
Find the value of : `[(18.5)^2 - (6.5)^2]/[18.5 + 6.5]`
Factorise : 15x + 5
Factorise : 4x(3x - 2y) - 2y(3x - 2y)
factorise : 6x3 - 8x2
Factorise: 36x2y2 - 30x3y3 + 48x3y2
factorise : x2y - xy2 + 5x - 5y
factorise : (ax + by)2 + (bx - ay)2
factorise : ab(x2 + y2) - xy (a2 + b2)
factorise : m - 1 - (m-1)2 + am - a
Factorise: a2 - 0·36 b2
Factorise the following by taking out the common factors:
(a - b)2 -2(a - b)
Factorise the following by taking out the common factors:
81(p + q)2 -9p - 9q
Factorise:
4x4 + 25y4 + 19x2y2
Factorise the following by taking out the common factor
9x5y3 + 6x3y2 – 18x2y
