Solve 8x^27x = -2

Evaluate

8 x^{2} \times 7 x = - 2

Multiply

More Steps

56 x^{3} = - 2

Divide both sides

\frac{56 x ^{3}}{56} = \frac{- 2}{56}

Divide the numbers

x^{3} = \frac{- 2}{56}

Divide the numbers

More Steps

x^{3} = - \frac{1}{28}

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

3 x^{3} = 3 - \frac{1}{28}

Calculate

x = 3 - \frac{1}{28}

Solution

More Steps

x = - \frac{3 98}{14}

Alternative Form

x \approx - 0.329317

Solve the equation