Question

45(a+b)^2(a-b)-10(a+b)(a-b)^2 factorise
Plsssss

Answer 1

45(a+b)²(a-b)-10(a+b)(a-b)²

=(a+b)(a-b){45(a+b)-10(a-b). { taking (a+b)(a-b) as common}

=(a+b)(a-b)(45a+45b-10a+10b)

=(a+b)(a-b)(35a+55b)

=(a+b)(a-b)5(7a+11b)

this is what I think...