Solve -5=5x^2 18x

Evaluate

- 5 = 5 x^{2} \times 18 x

Multiply

More Steps

- 5 = 90 x^{3}

Swap the sides of the equation

90 x^{3} = - 5

Divide both sides

\frac{90 x ^{3}}{90} = \frac{- 5}{90}

Divide the numbers

x^{3} = \frac{- 5}{90}

Divide the numbers

More Steps

x^{3} = - \frac{1}{18}

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

3 x^{3} = 3 - \frac{1}{18}

Calculate

x = 3 - \frac{1}{18}

Solution

More Steps

x = - \frac{3 12}{6}

Alternative Form

x \approx - 0.381571

Solve the equation