Simplify: V125 + 2 V80 – V20
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Answer:
11√5
Step-by-step explanation:
√125 = 5√5
2√80 = 8√5
√20 = 2√5
√125 + 2√80 - √20
= 5√5 + 8√5 - 2√5
= 13√5 - 2√5
= 11√5
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