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OpenStudy (anonymous):
Multiply. Simplify your answer. Type an exact answer, using radicals as needed.
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OpenStudy (anonymous):
\[(4\sqrt{3}-8\sqrt{7})(5\sqrt{3}+10\sqrt{7})\]
OpenStudy (cwrw238):
= 20*3 + 40sqrt3sqrt7 - 40dqrt3sqrt7 - 80*7 = -500
OpenStudy (anonymous):
tyvm
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