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The Quadratic Formula - Problem 7

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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

If you're asked to solve a quadratic equation and the numbers are big, there's a good chance that there is a common factor that you can divide by in order to reduce the numbers. This isn't always the case, though- and you should get the same final answer eventually if you don't divide by the common factor, but usually smaller numbers leave less opportunity for error. Keep in mind, though, that you must divide EVERY term by this common factor to keep the equation "balanced."

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