x^2-17=-4-5

Solution for x^2-17=-4-5 equation:

Simplifying
x2 + -17 = -4 + -5

Reorder the terms:
-17 + x2 = -4 + -5

Combine like terms: -4 + -5 = -9
-17 + x2 = -9

Solving
-17 + x2 = -9

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 + x2 = -9 + 17

Combine like terms: -17 + 17 = 0
0 + x2 = -9 + 17
x2 = -9 + 17

Combine like terms: -9 + 17 = 8
x2 = 8

Simplifying
x2 = 8

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