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Mathematics
simplify: 3 square root of 45 minus 2 square root of 125
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\[3\sqrt{45}-2\sqrt{125}\]
and simplify this \[(-27)^{-1/3}\]
\[3\sqrt{9*5}-2\sqrt{25*5}\] \[3*3\sqrt{5}-2*5\sqrt{5}\] \[9\sqrt{5}-10\sqrt{5}\]= \[-1\sqrt{?}\]
thats is suppose to be \[-1\sqrt{5}\]
and have you tried simplifying that other one?
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not yet.
can you simplify it?
sure i can
Please and thank you, sir :)
first of all realize that we can write this problem as : \[1/\sqrt[3]{-27}\]
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and answer is -1/3
thank you :)
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