# Roots of Polynomial Functions Degree 3

If you write a polynomial as the product of two or more polynomials, you have factored the polynomial. Here is an example:
The polynomials

*x*-3 and are called factors of the polynomial . Note that the degrees of the factors, 1 and 2, respectively, add up to the degree 3 of the polynomial we started with. Thus factoring breaks up a complicated polynomial into easier, lower degree pieces. We are not completely done; we can do better: we can factor We have now factored the polynomial into three linear (=degree 1) polynomials. Linear polynomials are the easiest polynomials. We can't do any better. Whenever we cannot factor any further, we say we have factored the polynomial completely.## New Resources

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