Z^2-2z=-2

Solution for Z^2-2z=-2 equation:

Simplifying
Z2 + -2z = -2

Solving
Z2 + -2z = -2

Solving for variable 'Z'.

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

Add '2z' to each side of the equation.
Z2 + -2z + 2z = -2 + 2z

Combine like terms: -2z + 2z = 0
Z2 + 0 = -2 + 2z
Z2 = -2 + 2z

Simplifying
Z2 = -2 + 2z

Reorder the terms:
2 + Z2 + -2z = -2 + 2z + 2 + -2z

Reorder the terms:
2 + Z2 + -2z = -2 + 2 + 2z + -2z

Combine like terms: -2 + 2 = 0
2 + Z2 + -2z = 0 + 2z + -2z
2 + Z2 + -2z = 2z + -2z

Combine like terms: 2z + -2z = 0
2 + Z2 + -2z = 0

The solution to this equation could not be determined.