Solve 91=1/2x7(x x 8)

Evaluate

91 = \frac{1}{2} x \times 7 (x \times x \times 8)

Remove the parentheses

91 = \frac{1}{2} x \times 7 x \times x \times 8

Simplify

More Steps

91 = 28 x^{3}

Swap the sides of the equation

28 x^{3} = 91

Divide both sides

\frac{28 x ^{3}}{28} = \frac{91}{28}

Divide the numbers

x^{3} = \frac{91}{28}

Cancel out the common factor 7

x^{3} = \frac{13}{4}

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

3 x^{3} = 3 \frac{13}{4}

Calculate

x = 3 \frac{13}{4}

Solution

More Steps

x = \frac{3 26}{2}

Alternative Form

x \approx 1.481248

Solve the equation