How to find the square of a sum - SAT Math
Card 0 of 2
Question
Simplify the radical.
Simplify the radical.
Answer
We can break the square root down into 2 roots of 67 and 49. 49 is a perfect square and reduces to 7.
We can break the square root down into 2 roots of 67 and 49. 49 is a perfect square and reduces to 7.
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Question
Simplify: 
Simplify:
Answer
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:
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:
Compare your answer with the correct one above
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