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Solving Quadratic Equations by Factoring - Problem 11

Teacher/Instructor Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

To solve a quadratic equation by factoring, it first has to e equal to zero, which we call standard form. Start by multiplying out any products (like distributing of FOILing), and then move all terms to the same side of the equal sign. Rewrite it so that the exponents go in decreasing order. Then factor, and use the zero product property to find your final solutions. Since there are so many steps and so many places to make errors, be sure to check your final solutions by substituting each one in one at a time to the original equation.

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