-2x^2+69=-3

Solution for -2x^2+69=-3 equation:

Simplifying
-2x2 + 69 = -3

Reorder the terms:
69 + -2x2 = -3

Solving
69 + -2x2 = -3

Solving for variable 'x'.

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

Add '-69' to each side of the equation.
69 + -69 + -2x2 = -3 + -69

Combine like terms: 69 + -69 = 0
0 + -2x2 = -3 + -69
-2x2 = -3 + -69

Combine like terms: -3 + -69 = -72
-2x2 = -72

Divide each side by '-2'.
x2 = 36

Simplifying
x2 = 36

Take the square root of each side:
x = {-6, 6}