4x^2-311=0

Solution for 4x^2-311=0 equation:

Simplifying
4x2 + -311 = 0

Reorder the terms:
-311 + 4x2 = 0

Solving
-311 + 4x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '311' to each side of the equation.
-311 + 311 + 4x2 = 0 + 311

Combine like terms: -311 + 311 = 0
0 + 4x2 = 0 + 311
4x2 = 0 + 311

Combine like terms: 0 + 311 = 311
4x2 = 311

Divide each side by '4'.
x2 = 77.75

Simplifying
x2 = 77.75

Take the square root of each side:
x = {-8.817596044, 8.817596044}