2x^2-1=-17

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Solution for 2x^2-1=-17 equation:


Simplifying
2x2 + -1 = -17

Reorder the terms:
-1 + 2x2 = -17

Solving
-1 + 2x2 = -17

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 = -17 + 1

Combine like terms: -1 + 1 = 0
0 + 2x2 = -17 + 1
2x2 = -17 + 1

Combine like terms: -17 + 1 = -16
2x2 = -16

Divide each side by '2'.
x2 = -8

Simplifying
x2 = -8

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

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

The solution to this equation could not be determined.

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