What is the answer to (12)/x = x/3 ?

The answer to (12)/x = x/3 is x=6,x=-6

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(12)/x = x/3

\frac{12}{x} = \frac{x}{3}

x = 6, x = - 6

Solution steps

\frac{12}{x} = \frac{x}{3}

Cross multiply

36 = x^{2}

Solve

36 = x^{2} : x = 6, x = - 6

x = 6, x = - 6

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 6, x = - 6

n, \frac{P V}{n} = RT

a, u = b + \frac{k}{a}

4 = x^{- 2}

x - \frac{1}{x} = 3

x + \frac{1}{x} = \frac{5}{2}