Question

What is the completely factored form of x^3 – 64x?

Answer 1

$x^3 - 64x \\ \\ gcf = x \\ \\ x( \frac{x^3}{x} + \frac{-64x}{x} ) \\ \\ x(x^2 - 64) \\ \\ x(x^2 - 8^2) \\ \\ x(x + 8)(x - 8)$

The final result is: C) x(x - 8)(x + 8).