How do you factor -2x^3 + 16x ?

1 Answer
Jul 5, 2017

-2x(x^2-8) or -2x(x-sqrt(8))(x+sqrt(8))

Explanation:

First take out the -2, so it'll become -2(x^3-8x)

Then notice that you can take out an x from both terms, so it'll simplify to -2x(x^2-8).

This can be further simplified down to -2x(x-sqrt(8))(x+sqrt(8))