4x^2+4-22=0

Solution for 4x^2+4-22=0 equation:

Simplifying
4x2 + 4 + -22 = 0

Reorder the terms:
4 + -22 + 4x2 = 0

Combine like terms: 4 + -22 = -18
-18 + 4x2 = 0

Solving
-18 + 4x2 = 0

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 4x2 = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 4x2 = 0 + 18
4x2 = 0 + 18

Combine like terms: 0 + 18 = 18
4x2 = 18

Divide each side by '4'.
x2 = 4.5

Simplifying
x2 = 4.5

Take the square root of each side:
x = {-2.121320344, 2.121320344}