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17 July, 19:48

Hank has the expression - 4 squared square root of x. What is the value of x that makes the expression equal to - 20?

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  1. 17 July, 21:37
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    X should be around 1.5625, assuming that - 4 is squared is not in a parenthesis. So, the problem should be - 20=-4^2 (sqrtx). Divide - 20 by - 16 to get 1.25. Then square 1.25 and sqrt x to get 1.5625.
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