2x^2-8=-16

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Solution for 2x^2-8=-16 equation:


Simplifying
2x2 + -8 = -16

Reorder the terms:
-8 + 2x2 = -16

Solving
-8 + 2x2 = -16

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 + 2x2 = -16 + 8

Combine like terms: -8 + 8 = 0
0 + 2x2 = -16 + 8
2x2 = -16 + 8

Combine like terms: -16 + 8 = -8
2x2 = -8

Divide each side by '2'.
x2 = -4

Simplifying
x2 = -4

Reorder the terms:
4 + x2 = -4 + 4

Combine like terms: -4 + 4 = 0
4 + x2 = 0

The solution to this equation could not be determined.

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