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 5:
`z^3 + 3 z^2 -49 z + 45` =
Be sure your variables match those in the question `(z-1)(z-5)(z+9)`