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OpenStudy (anonymous):
square root of 28 + square root of 20 - square root of 63
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OpenStudy (anonymous):
\[\sqrt{28}+\sqrt{20}-\sqrt{63}\]\[=2\sqrt{7}+2\sqrt{5}-3\sqrt{7}=2\sqrt{5}-\sqrt{7}\]This is as much as we can simplify this one.
OpenStudy (saifoo.khan):
thank God you typed that right. lol.
OpenStudy (anonymous):
Whatever. You guys type too fast.
OpenStudy (saifoo.khan):
\[lol.\]
OpenStudy (anonymous):
haha
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