Question

plzz help me
Factorise :
a²(b+c) - b+c) ³

Answer 1

(b+c)-b+c) solving the bracket first so
(-b-c-b+c)*3=(-2b)*3=-8b*3.a*2
taking2 as common =2(-4b*3.

Answer 2

a^2(b+c) - (b+c)^3

= (b+c) {a^2 - (b+c)^2}

=(b+c) {a + (b+c)}{a - (b+c)}

= (b+c) {a + b +c }{ a - b - c}