Solve 9f^3=21 - ScanMath

Evaluate

9 f^{3} = 21

Divide both sides

\frac{9 f ^{3}}{9} = \frac{21}{9}

Divide the numbers

f^{3} = \frac{21}{9}

Cancel out the common factor 3

f^{3} = \frac{7}{3}

Take the 3 -th root on both sides of the equation

3 f^{3} = 3 \frac{7}{3}

Calculate

f = 3 \frac{7}{3}

Solution

More Steps

f = \frac{3 63}{3}

Alternative Form

f \approx 1.326352

Solve the equation