2x^2+6=168

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Solution for 2x^2+6=168 equation: 


Simplifying
2x2 + 6 = 168

Reorder the terms:
6 + 2x2 = 168

Solving
6 + 2x2 = 168

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 2x2 = 168 + -6

Combine like terms: 6 + -6 = 0
0 + 2x2 = 168 + -6
2x2 = 168 + -6

Combine like terms: 168 + -6 = 162
2x2 = 162

Divide each side by '2'.
x2 = 81

Simplifying
x2 = 81

Take the square root of each side:
x = {-9, 9}

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