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Simplifying
729 = 3x2
Solving
729 = 3x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-3x2' to each side of the equation.
729 + -3x2 = 3x2 + -3x2
Combine like terms: 3x2 + -3x2 = 0
729 + -3x2 = 0
Add '-729' to each side of the equation.
729 + -729 + -3x2 = 0 + -729
Combine like terms: 729 + -729 = 0
0 + -3x2 = 0 + -729
-3x2 = 0 + -729
Combine like terms: 0 + -729 = -729
-3x2 = -729
Divide each side by '-3'.
x2 = 243
Simplifying
x2 = 243
Take the square root of each side:
x = {-15.588457268, 15.588457268}
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