Question

Simplificar: 2x(x^2-2)^2-8x(x^2-2)
                        2x^2(x^2-2)^2

Answer 1

$\frac{2x(x^2-2)^2-8x(x^2-2)}{2x^2(x^2-2)^2} = \frac{(x^2-6)}{x (x^2-2))}$