2x^2-1=-163

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Solution for 2x^2-1=-163 equation:


Simplifying
2x2 + -1 = -163

Reorder the terms:
-1 + 2x2 = -163

Solving
-1 + 2x2 = -163

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 2x2 = -163 + 1

Combine like terms: -1 + 1 = 0
0 + 2x2 = -163 + 1
2x2 = -163 + 1

Combine like terms: -163 + 1 = -162
2x2 = -162

Divide each side by '2'.
x2 = -81

Simplifying
x2 = -81

Reorder the terms:
81 + x2 = -81 + 81

Combine like terms: -81 + 81 = 0
81 + x2 = 0

The solution to this equation could not be determined.

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