Solve -4=-3x^2 7x

Evaluate

- 4 = - 3 x^{2} \times 7 x

Multiply

More Steps

- 4 = - 21 x^{3}

Swap the sides of the equation

- 21 x^{3} = - 4

Change the signs on both sides of the equation

21 x^{3} = 4

Divide both sides

\frac{21 x ^{3}}{21} = \frac{4}{21}

Divide the numbers

x^{3} = \frac{4}{21}

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

3 x^{3} = 3 \frac{4}{21}

Calculate

x = 3 \frac{4}{21}

Solution

More Steps

x = \frac{3 1764}{21}

Alternative Form

x \approx 0.57537

Solve the equation