729=x^2

Solution for 729=x^2 equation:

Simplifying
729 = x2

Solving
729 = 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.
729 + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
729 + -1x2 = 0

Add '-729' to each side of the equation.
729 + -729 + -1x2 = 0 + -729

Combine like terms: 729 + -729 = 0
0 + -1x2 = 0 + -729
-1x2 = 0 + -729

Combine like terms: 0 + -729 = -729
-1x2 = -729

Divide each side by '-1'.
x2 = 729

Simplifying
x2 = 729

Take the square root of each side:
x = {-27, 27}