Solve 4x^220x=-5 - ScanMath

Evaluate

4 x^{2} \times 20 x = - 5

Multiply

More Steps

80 x^{3} = - 5

Divide both sides

\frac{80 x ^{3}}{80} = \frac{- 5}{80}

Divide the numbers

x^{3} = \frac{- 5}{80}

Divide the numbers

More Steps

x^{3} = - \frac{1}{16}

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

3 x^{3} = 3 - \frac{1}{16}

Calculate

x = 3 - \frac{1}{16}

Solution

More Steps

x = - \frac{3 4}{4}

Alternative Form

x \approx - 0.39685

Solve the equation