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:
`y^3 + 20 y^2 + 131 y + 280` =
Be sure your variables match those in the question `(y+5)(y+7)(y+8)`