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x-\frac{32}{x}=0
Subtract \frac{32}{x} from both sides.
\frac{xx}{x}-\frac{32}{x}=0
To add or subtract expressions, expand them to make their denominators the same. Multiply x times \frac{x}{x}.
\frac{xx-32}{x}=0
Since \frac{xx}{x} and \frac{32}{x} have the same denominator, subtract them by subtracting their numerators.
\frac{x^{2}-32}{x}=0
Do the multiplications in xx-32.
x^{2}-32=0
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by x.
x^{2}=32
Add 32 to both sides. Anything plus zero gives itself.
x=4\sqrt{2} x=-4\sqrt{2}
Take the square root of both sides of the equation.
x-\frac{32}{x}=0
Subtract \frac{32}{x} from both sides.
\frac{xx}{x}-\frac{32}{x}=0
To add or subtract expressions, expand them to make their denominators the same. Multiply x times \frac{x}{x}.
\frac{xx-32}{x}=0
Since \frac{xx}{x} and \frac{32}{x} have the same denominator, subtract them by subtracting their numerators.
\frac{x^{2}-32}{x}=0
Do the multiplications in xx-32.
x^{2}-32=0
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by x.
x=\frac{0±\sqrt{0^{2}-4\left(-32\right)}}{2}
This equation is in standard form: ax^{2}+bx+c=0. Substitute 1 for a, 0 for b, and -32 for c in the quadratic formula, \frac{-b±\sqrt{b^{2}-4ac}}{2a}.
x=\frac{0±\sqrt{-4\left(-32\right)}}{2}
Square 0.
x=\frac{0±\sqrt{128}}{2}
Multiply -4 times -32.
x=\frac{0±8\sqrt{2}}{2}
Take the square root of 128.
x=4\sqrt{2}
Now solve the equation x=\frac{0±8\sqrt{2}}{2} when ± is plus.
x=-4\sqrt{2}
Now solve the equation x=\frac{0±8\sqrt{2}}{2} when ± is minus.
x=4\sqrt{2} x=-4\sqrt{2}
The equation is now solved.