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posted by Teena on Friday, May 23, 2008 at 9:16pm.
I am having a hard time solving my problem 2ã20 + 5 ã 80 - 7 ã5 Can someone please help me
I am going to assume you meant 2√20 + 5√80 - 7√5 = 2*√4*√5 + 5*√16*√5 - 7*√5 = 4√5 + 20√5 - 7√5 = 17√5
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