8x^2-17=-81

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Solution for 8x^2-17=-81 equation:


Simplifying
8x2 + -17 = -81

Reorder the terms:
-17 + 8x2 = -81

Solving
-17 + 8x2 = -81

Solving for variable 'x'.

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

Add '17' to each side of the equation.
-17 + 17 + 8x2 = -81 + 17

Combine like terms: -17 + 17 = 0
0 + 8x2 = -81 + 17
8x2 = -81 + 17

Combine like terms: -81 + 17 = -64
8x2 = -64

Divide each side by '8'.
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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