Question

fatore
x^3-x^2/4x^2-4x


e

a^3+a^2b-ab^2-b^3/3a^2-y^2

Answer 1

Boa tarde

a)

(x^3 - x^2)/(4x^2 - 4x) 

x^2*(x - 1)/(4x*(x - 1)) = x^2/4x = x/4 

b)

(a^3 + a^2b - ab^2 - b^3)/(3a^2 - y^2)

(a - b) (a + b)^2/(3 a^2 - y^2)