Time remaining:
solve 7 over x 2 minus x 2 over x

label Mathematics
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schedule 1 Day
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I need to solve this problem

Mar 24th, 2015

I'm assuming this is equal to zero. You cannot solve unless it is equal to something.

7/x^2 - x^2/x = 0

7/x^2 - x = 0

Multiply everything by x^2 to get

7 - x^3 = 0

x^3 = 7

Take the cubed root of both sides to get

x = cubed root of 7

Mar 24th, 2015

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