4x^2+28-120=0

Solution for 4x^2+28-120=0 equation:

Simplifying
4x2 + 28 + -120 = 0

Reorder the terms:
28 + -120 + 4x2 = 0

Combine like terms: 28 + -120 = -92
-92 + 4x2 = 0

Solving
-92 + 4x2 = 0

Solving for variable 'x'.

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

Add '92' to each side of the equation.
-92 + 92 + 4x2 = 0 + 92

Combine like terms: -92 + 92 = 0
0 + 4x2 = 0 + 92
4x2 = 0 + 92

Combine like terms: 0 + 92 = 92
4x2 = 92

Divide each side by '4'.
x2 = 23

Simplifying
x2 = 23

Take the square root of each side:
x = {-4.795831523, 4.795831523}