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Asked by Phillip

simplify by collecting like terms if possible

7sqrt20-8sqrt5
13 years ago

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Answered by Melissa
7 * sqrt 20 = 7 * sqrt 5 * sqrt 4
= 7* sqrt5 * 2 = 14sqrt5
so (14sqrt5) - (8sqrt5)= 6sqrt5
13 years ago
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simplify by collecting like terms if possible

7sqrt20-8sqrt5

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