3x^2=12-9

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Solution for 3x^2=12-9 equation: 


Simplifying
3x2 = 12 + -9

Combine like terms: 12 + -9 = 3
3x2 = 3

Solving
3x2 = 3

Solving for variable 'x'.

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

Divide each side by '3'.
x2 = 1

Simplifying
x2 = 1

Take the square root of each side:
x = {-1, 1}

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