How do you factor $2x^3-14x^2-16x$ ?

Question

2073 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-03-10T12:46:26

$2x^3 - 14x^2 - 16x = 2x (x - 8)(x + 1)$

The common factor is $2x:$

$2x^3 - 14x^2 - 16x = 2x (x^2 - 7x - 8)$

Look for two numbers that add to -7 and multiply to -8: -8 and +1

$2x (x^2 - 7x - 8) = 2x (x - 8)(x + 1)$

How do you factor 2x^3-14x^2-16x2x^3-14x^2-16x?