3x^2=66

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Solution for 3x^2=66 equation: 


Simplifying
3x2 = 66

Solving
3x2 = 66

Solving for variable 'x'.

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

Divide each side by '3'.
x2 = 22

Simplifying
x2 = 22

Take the square root of each side:
x = {-4.69041576, 4.69041576}

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