2x^2-7=-8

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Solution for 2x^2-7=-8 equation:


Simplifying
2x2 + -7 = -8

Reorder the terms:
-7 + 2x2 = -8

Solving
-7 + 2x2 = -8

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 2x2 = -8 + 7

Combine like terms: -7 + 7 = 0
0 + 2x2 = -8 + 7
2x2 = -8 + 7

Combine like terms: -8 + 7 = -1
2x2 = -1

Divide each side by '2'.
x2 = -0.5

Simplifying
x2 = -0.5

Reorder the terms:
0.5 + x2 = -0.5 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.5 + x2 = 0.0

The solution to this equation could not be determined.

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