4x^2-729=0

Solution for 4x^2-729=0 equation:

Simplifying
4x2 + -729 = 0

Reorder the terms:
-729 + 4x2 = 0

Solving
-729 + 4x2 = 0

Solving for variable 'x'.

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

Add '729' to each side of the equation.
-729 + 729 + 4x2 = 0 + 729

Combine like terms: -729 + 729 = 0
0 + 4x2 = 0 + 729
4x2 = 0 + 729

Combine like terms: 0 + 729 = 729
4x2 = 729

Divide each side by '4'.
x2 = 182.25

Simplifying
x2 = 182.25

Take the square root of each side:
x = {-13.5, 13.5}