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04-07-2017
Mathematics

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please help show work

3√(125) -√(16) = ?

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apologiabiology apologiabiology

04-07-2017

first, simplify the radicals
√125=√(5*5*5)=(√5*5)(√5)=5√5
so 3√125=3*5√5=15√5

and √16=4
so
15√(5)-4 is the simplified version

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