Question

Factor completely 2x^3-10x^2-28x

Answer 1

2x( x-7)(x+2)

Explanation:

2x^3-10x^2-28x

first we can factor out a 2x

2x(x^2 -5x -14)

now we can factor the inner term

what numbers multiply to -15 and add to -5

(-7 and 2)

2x( x-7)(x+2)