2x*x-3=126000

Solution for 2x*x-3=126000 equation:

Simplifying
2x * x + -3 = 126000

Multiply x * x
2x2 + -3 = 126000

Reorder the terms:
-3 + 2x2 = 126000

Solving
-3 + 2x2 = 126000

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 2x2 = 126000 + 3

Combine like terms: -3 + 3 = 0
0 + 2x2 = 126000 + 3
2x2 = 126000 + 3

Combine like terms: 126000 + 3 = 126003
2x2 = 126003

Divide each side by '2'.
x2 = 63001.5

Simplifying
x2 = 63001.5

Take the square root of each side:
x = {-251.000996014, 251.000996014}