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Given 3x + 2/x - 4 = 2(x + 9) + 2x - (7 - 1/x) + 2/x, what is (x^2 + 1)/x?

 Jun 12, 2021
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Notice that $\frac{x^2 + 1}{x} = x+\frac{1}{x}$ so if you can simplify the given equation to see if it contains $x+\frac{1}{x}$ as a "variable" that should solve it.

 Jun 12, 2021

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