2X^2-126=0

Solution for 2X^2-126=0 equation:

Simplifying
2X2 + -126 = 0

Reorder the terms:
-126 + 2X2 = 0

Solving
-126 + 2X2 = 0

Solving for variable 'X'.

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

Add '126' to each side of the equation.
-126 + 126 + 2X2 = 0 + 126

Combine like terms: -126 + 126 = 0
0 + 2X2 = 0 + 126
2X2 = 0 + 126

Combine like terms: 0 + 126 = 126
2X2 = 126

Divide each side by '2'.
X2 = 63

Simplifying
X2 = 63

Take the square root of each side:
X = {-7.937253933, 7.937253933}