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OpenStudy (mckenzieandjesus):
Please check my answers Simplify the expression. (3+sqrt7) (3-sqrt7) -40 9+sqrt7 16+6sqrt7 2 <--- my answer Simplify the expression. 42√+2√32 12√2<--- my answer 12√32 36√2 6√32
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OpenStudy (anonymous):
1 is correct
OpenStudy (anonymous):
2 is correct also i guess.
OpenStudy (mckenzieandjesus):
Thank u!
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