243-3X^2=0

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Solution for 243-3X^2=0 equation: 


Simplifying
243 + -3X2 = 0

Solving
243 + -3X2 = 0

Solving for variable 'X'.

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

Add '-243' to each side of the equation.
243 + -243 + -3X2 = 0 + -243

Combine like terms: 243 + -243 = 0
0 + -3X2 = 0 + -243
-3X2 = 0 + -243

Combine like terms: 0 + -243 = -243
-3X2 = -243

Divide each side by '-3'.
X2 = 81

Simplifying
X2 = 81

Take the square root of each side:
X = {-9, 9}

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