x*x-2*1.414213562=-2

Solution for x*x-2*1.414213562=-2 equation:

Simplifying
x * x + -2 * 1.414213562 = -2

Multiply x * x
x2 + -2 * 1.414213562 = -2

Multiply -2 * 1.414213562
x2 + -2.828427124 = -2

Reorder the terms:
-2.828427124 + x2 = -2

Solving
-2.828427124 + x2 = -2

Solving for variable 'x'.

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

Add '2.828427124' to each side of the equation.
-2.828427124 + 2.828427124 + x2 = -2 + 2.828427124

Combine like terms: -2.828427124 + 2.828427124 = 0.000000000
0.000000000 + x2 = -2 + 2.828427124
x2 = -2 + 2.828427124

Combine like terms: -2 + 2.828427124 = 0.828427124
x2 = 0.828427124

Simplifying
x2 = 0.828427124

Take the square root of each side:
x = {-0.910179721, 0.910179721}