Question

Factorise :(x-2y)^2-12(x-2y)+32. Plz answer fast its very urgent

Answer 1

Let (x-2y) = a

a²-12a+32

=a²-4a-8a+32

=a(a-4) -8(a-4)

=(a-4) (a-8)

substitute the value of a

so the factors are

(x-2y-4) (x-2y-8)