SAT Math : How to find the square of difference

Study concepts, example questions & explanations for SAT Math

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Example Questions

Example Question #1 : Squaring / Square Roots / Radicals

Simplify: 

Possible Answers:

Correct answer:

Explanation:

If you don't already have the pattern memorized, use FOIL. It's best to write out the parentheses twice (as below) to avoid mistakes:

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