722=2x^2

Solution for 722=2x^2 equation:

Simplifying
722 = 2x2

Solving
722 = 2x2

Solving for variable 'x'.

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

Add '-2x2' to each side of the equation.
722 + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
722 + -2x2 = 0

Add '-722' to each side of the equation.
722 + -722 + -2x2 = 0 + -722

Combine like terms: 722 + -722 = 0
0 + -2x2 = 0 + -722
-2x2 = 0 + -722

Combine like terms: 0 + -722 = -722
-2x2 = -722

Divide each side by '-2'.
x2 = 361

Simplifying
x2 = 361

Take the square root of each side:
x = {-19, 19}