What is the answer to (42)/x = x/9 ?

The answer to (42)/x = x/9 is x=3sqrt(42),x=-3sqrt(42)

Solve for x: (42)/x = x/9

The solution is x=3sqrt(42),x=-3sqrt(42)

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\frac{42}{x} = \frac{x}{9}

x = 342, x = - 342

Decimal Notation

x = 19.44222 \dots, x = - 19.44222 \dots

Solution steps

\frac{42}{x} = \frac{x}{9}

Cross multiply

378 = x^{2}

Solve

378 = x^{2} : x = 342, x = - 342

x = 342, x = - 342

Verify Solutions

Find undefined (singularity) points:

x = 0

Combine undefined points with solutions:

x = 342, x = - 342

\frac{y + 1}{y + 3} = \frac{3 y}{y - 4}

\frac{13}{4 x + 2} = \frac{5}{10}

\frac{24}{x} = \frac{x}{6}

1 + \frac{1}{v - 3} = \frac{10}{v + 1}

y, \frac{y}{y ^{2} - 1} = 0

What is the answer to (42)/x = x/9 ?
The answer to (42)/x = x/9 is x=3sqrt(42),x=-3sqrt(42)
Solve for x: (42)/x = x/9
The solution is x=3sqrt(42),x=-3sqrt(42)