x^2-9x^2+8=0

Solution for x^2-9x^2+8=0 equation:

Simplifying
x2 + -9x2 + 8 = 0

Reorder the terms:
8 + x2 + -9x2 = 0

Combine like terms: x2 + -9x2 = -8x2
8 + -8x2 = 0

Solving
8 + -8x2 = 0

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 + -8x2 = 0 + -8

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

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

Divide each side by '-8'.
x2 = 1

Simplifying
x2 = 1

Take the square root of each side:
x = {-1, 1}