3x^2+2-18=156

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Solution for 3x^2+2-18=156 equation: 


Simplifying
3x2 + 2 + -18 = 156

Reorder the terms:
2 + -18 + 3x2 = 156

Combine like terms: 2 + -18 = -16
-16 + 3x2 = 156

Solving
-16 + 3x2 = 156

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 3x2 = 156 + 16

Combine like terms: -16 + 16 = 0
0 + 3x2 = 156 + 16
3x2 = 156 + 16

Combine like terms: 156 + 16 = 172
3x2 = 172

Divide each side by '3'.
x2 = 57.33333333

Simplifying
x2 = 57.33333333

Take the square root of each side:
x = {-7.571877794, 7.571877794}

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