Advertisements
Advertisements
Question
Factorise the following by grouping the terms:
9x3 + 6x2y2 - 4y3 - 6xy
Sum
Advertisements
Solution
9x3 + 6x2y2 - 4y3 - 6xy|
= 9x3 + 6x2y2 - 6xy - 4y3
= (9x3 + 6x2y2) - (6xy + 4y3)
= 3x2(3x + 2y2) - 2y(3x + 2y2)
= (3x + 2y2)(3x2 - 2y).
shaalaa.com
Factorisation by Grouping
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise by the grouping method : ab - 2b + a2 - 2a
Factorise by the grouping method : (ax + by)2 + (bx - ay)2
Factorise : x2 - (a - 3)x - 3a
Factorise : ab(c2 + d2) - a2cd - b2cd
Factorise : ax + 2bx + 3cx - 3a - 6b - 9c
factorise: a2 + 5a + 6
factorise: a2 - 5a+ 6
factorise: 2x2 + xy - 6y2
factorise: (2a + b)2 + 5(2a + b) + 6
Factorise the following by grouping the terms:
2p(a2 - 2b2) -14p + (a2 - 2b2)2 - 7(a2 - 2b2)
