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Solving Quadratic Equations by Factoring - Problem 7

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 an equation using factoring, we look to set the equation equal to zero and factor completely. If the polynomial only has two terms, look for the difference of perfect squares shortcut. Sometimes the numbers are perfect squares "in disguise-" you might need to factor a common factor first in order to see the squares. Here we solve equations when you see the greatest common factor and also when you don't to show that the answers should be the same. We also do an example that has two variables.

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