3x^2-8=-155

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Solution for 3x^2-8=-155 equation:


Simplifying
3x2 + -8 = -155

Reorder the terms:
-8 + 3x2 = -155

Solving
-8 + 3x2 = -155

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 3x2 = -155 + 8

Combine like terms: -8 + 8 = 0
0 + 3x2 = -155 + 8
3x2 = -155 + 8

Combine like terms: -155 + 8 = -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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