3x^2=15-2

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Solution for 3x^2=15-2 equation: 


Simplifying
3x2 = 15 + -2

Combine like terms: 15 + -2 = 13
3x2 = 13

Solving
3x2 = 13

Solving for variable 'x'.

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

Divide each side by '3'.
x2 = 4.333333333

Simplifying
x2 = 4.333333333

Take the square root of each side:
x = {-2.081665999, 2.081665999}

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