Try another version of this question Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Factor the following expression completely given that one of the roots is -7:
`x^3 + 2 x^2 -71 x -252` =
Be sure your variables match those in the question `(x-9)(x+7)(x+4)`