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Simplify 4 radical 20- 3 radical 45
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Simplify 4 radical 20- 3 radical 45

User Amala James
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1 Answer

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4√(20)-3√(45)= 4*2√(5)-3*3√(5)= \\\\ =8√(5)-9√(5)= \\\\ =\boxed{-√(5)}
User Adwaenyth
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