Factorise please (1 Viewer)

[Utility]

Factorise

(a) 3(a² + 2b²) – (a + b)(a² + 2b²)
(b) (a + b)⁴ + (a - b)²(a + b)²
(c) (x + y)x² – (x + y)y²

 

[deswa1]

Factorise

(a) 3(a² + 2b²) – (a + b)(a² + 2b²)
(b) (a + b)⁴ + (a - b)²(a + b)²
(c) (x + y)x² – (x + y)y²

(a) (a^2+2b^2)(3-a-b) -> Factorise common terms
(b) (a+b)^2((a+b)^2+(a-b)^2)= 2(a+b)^2(a^2+b^2) -> Factorise common terms and simplfiy
(c) (x+y)(x^2-y^2)=(x+y)^2(x-y) -> Factorise commmon terms and then difference of two squares