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The Quadratic Formula - Problem 8

Teacher/Instructor Brian McCall
Brian McCall

Univ. of Wisconsin
J.D. Univ. of Wisconsin Law school

Brian was a geometry teacher through the Teach for America program and started the geometry program at his school

The "+, -" symbol is read as "plus or minus," but in actually, it should be called the "plus AND minus" sign. It represents one expression that gets split into two that you need to simplify. Unfortunately, you can't literally do one OR the other. Following the order of operations, simplify the top of a fraction completely before you divide by the bottom.

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