3x^2-9=-156

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Solution for 3x^2-9=-156 equation:


Simplifying
3x2 + -9 = -156

Reorder the terms:
-9 + 3x2 = -156

Solving
-9 + 3x2 = -156

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 3x2 = -156 + 9

Combine like terms: -9 + 9 = 0
0 + 3x2 = -156 + 9
3x2 = -156 + 9

Combine like terms: -156 + 9 = -147
3x2 = -147

Divide each side by '3'.
x2 = -49

Simplifying
x2 = -49

Reorder the terms:
49 + x2 = -49 + 49

Combine like terms: -49 + 49 = 0
49 + x2 = 0

The solution to this equation could not be determined.

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