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Quadratic Equations and Inequalities

Video Summary:

Quadratic Equation in One Variable An equation that can be written in the form ax2 + bx + c = 0 where a, b, and c are real numbers with a  0, is a quadratic equation in standard form. One way to solve a quadratic equation P(x)=0 is to use factoring and the zero-product property. Zero-Product Property If a and b are complex numbers and ab = 0, then a = 0 or b = 0 or both.


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