Solve 2(-7a^5) = 20

Evaluate

2 (- 7 a^{5}) = 20

Multiply the numbers

More Steps

- 14 a^{5} = 20

Change the signs on both sides of the equation

14 a^{5} = - 20

Divide both sides

\frac{14 a ^{5}}{14} = \frac{- 20}{14}

Divide the numbers

a^{5} = \frac{- 20}{14}

Divide the numbers

More Steps

a^{5} = - \frac{10}{7}

Take the 5 -th root on both sides of the equation

5 a^{5} = 5 - \frac{10}{7}

Calculate

a = 5 - \frac{10}{7}

Solution

More Steps

a = - \frac{5 24010}{7}

Alternative Form

a \approx - 1.073941

Solve the equation