39=x^2-3

Solution for 39=x^2-3 equation:

Simplifying
39 = x2 + -3

Reorder the terms:
39 = -3 + x2

Solving
39 = -3 + x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
39 + -1x2 = -3 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
39 + -1x2 = -3 + 0
39 + -1x2 = -3

Add '-39' to each side of the equation.
39 + -39 + -1x2 = -3 + -39

Combine like terms: 39 + -39 = 0
0 + -1x2 = -3 + -39
-1x2 = -3 + -39

Combine like terms: -3 + -39 = -42
-1x2 = -42

Divide each side by '-1'.
x2 = 42

Simplifying
x2 = 42

Take the square root of each side:
x = {-6.480740698, 6.480740698}