x^2+7-144=0

Solution for x^2+7-144=0 equation:

Simplifying
x2 + 7 + -144 = 0

Reorder the terms:
7 + -144 + x2 = 0

Combine like terms: 7 + -144 = -137
-137 + x2 = 0

Solving
-137 + x2 = 0

Solving for variable 'x'.

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

Add '137' to each side of the equation.
-137 + 137 + x2 = 0 + 137

Combine like terms: -137 + 137 = 0
0 + x2 = 0 + 137
x2 = 0 + 137

Combine like terms: 0 + 137 = 137
x2 = 137

Simplifying
x2 = 137

Take the square root of each side:
x = {-11.704699911, 11.704699911}