3x^2=2+12

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Solution for 3x^2=2+12 equation: 


Simplifying
3x2 = 2 + 12

Combine like terms: 2 + 12 = 14
3x2 = 14

Solving
3x2 = 14

Solving for variable 'x'.

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

Divide each side by '3'.
x2 = 4.666666667

Simplifying
x2 = 4.666666667

Take the square root of each side:
x = {-2.1602469, 2.1602469}

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