Posted by **Jen** on Thursday, February 1, 2007 at 6:24pm.

polynomial is x^3 - x^2 -11x + 15

If 3 is the zero of the polynomial, when you divide this polynomial with x-3, the remainder has to be 0?

yes. If y=x^3 - x^2 -11x + 15, when y=0 the roots are on the axis.

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