Solving Cubic Polynomials - SHSU
q is a rational solution to the polynomial equation f(x) = 0 then qx pis a factor of the polynomial f(x) and so we can use long division to write f(x) = (qx p)g(x) where g(x) is a polynomial of smaller degree. We teach a version of this method in high school when students learn to solve quadratic equations by factoring.
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