4x^2-222=0

Solution for 4x^2-222=0 equation:

Simplifying
4x2 + -222 = 0

Reorder the terms:
-222 + 4x2 = 0

Solving
-222 + 4x2 = 0

Solving for variable 'x'.

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

Add '222' to each side of the equation.
-222 + 222 + 4x2 = 0 + 222

Combine like terms: -222 + 222 = 0
0 + 4x2 = 0 + 222
4x2 = 0 + 222

Combine like terms: 0 + 222 = 222
4x2 = 222

Divide each side by '4'.
x2 = 55.5

Simplifying
x2 = 55.5

Take the square root of each side:
x = {-7.449832213, 7.449832213}