Solve x^3/2x-7 - ScanMath

Evaluate

\frac{x ^{3}}{2} x - 7

To find the roots of the expression,set the expression equal to 0

\frac{x ^{3}}{2} x - 7 = 0

Multiply the terms

More Steps

\frac{x ^{4}}{2} - 7 = 0

Subtract the terms

More Steps

\frac{x ^{4} - 14}{2} = 0

Simplify

x^{4} - 14 = 0

Move the constant to the right side

x^{4} = 14

Take the root of both sides of the equation and remember to use both positive and negative roots

x = \pm 414

Separate the equation into 2 possible cases

x = 414 x = - 414

Solution

x_{1} = - 414, x_{2} = 414

Alternative Form

x_{1} \approx - 1.934336, x_{2} \approx 1.934336

Simplify the expression