Advertisements
Advertisements
Question
Factorise the following by grouping the terms:
2m3 - 5n2 - 5m2n + 2mn
Sum
Solution
2m3 - 5n2 - 5m2n + 2mn
= 2m3 + 2mn - 5m2n - 5n2
= (2m3 + 2mn) - (5m2n + 5n2)
= 2m(m2 + n) - 5n(m2 + n)
= (m2 + n)(2m - 5n).
shaalaa.com
Factorisation by Grouping
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise by the grouping method : a4 - 2a3 - 4a + 8
Factorise by the grouping method : a2x2 + (ax2 + 1) x + a
Factorise : xy - ay - ax + a2 + bx - ab
Factorise : ab2 - (a - c) b - c
factorise: x2 + 6x + 8
factorise: x2 + 5xy + 4y2
factorise: 3a2 - 5a + 2
factorise: 8 + 6(a + b) - 5(a + b)2
Factorise the following by grouping the terms:
x(x - 4)- x + 4
Factorise the following by grouping the terms:
`(1)/(25x^2) + 16x^2 + (8)/(5) - 12x - (3)/(5x)`
