SOLUTION: Simplify √180 - √20 Thank you,

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Question 450610: Simplify
√180 - √20
Thank you,
Answer by algebrahouse.com(1659) About Me  (Show Source):
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√180 - √20
= √36 √5 - √4 √5 {broke down the square roots}
= 6√5 - 2√5 {evaluated square roots}
= 4√5 {combined like terms}
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