2x^2-17=-1

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

Simplifying
2x2 + -17 = -1

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

Solving
-17 + 2x2 = -1

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 + 2x2 = -1 + 17

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

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

Divide each side by '2'.
x2 = 8

Simplifying
x2 = 8

Take the square root of each side:
x = {-2.828427125, 2.828427125}