caprilion caprilion

26-05-2017
Mathematics

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Simplify the radical expression. √45 + √20 - √5

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eliza154 eliza154

26-05-2017

√45 = √9√5 = 3√5
√20 = √4√5 = 2√5

3√5+2√5-√5=4√5

answer = 4√5
:)

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