Question 40437
x^2(2x-5)^2+x(5-2x)^3
let y = 2x - 5
x^2*y^2 + x(-y)^3 =
x^2*y^2 + x(y)^2*(-y) =
xy^2(x - y) = 
xy^2(x - 2x + 5)=
x(2x - 5)^2(5 - x)
answer is a)