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(sqrt(5)*3)^2 

don't know how ot simplify this, someone help?

 Feb 14, 2019
 #1
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+1

Sqrt(5) times 3 is all to the power of 2

so the Sqrt would be cancelled and the 3 will be to the power of 2

5*3^2 is simplified

 Feb 14, 2019
 #2
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+2

(sqrt(5)*3)^2 = (5)*3^2 = 5*9 = 45

 Feb 14, 2019

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