Z^2-4z=-8

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Solution for Z^2-4z=-8 equation:


Simplifying
Z2 + -4z = -8

Solving
Z2 + -4z = -8

Solving for variable 'Z'.

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

Add '4z' to each side of the equation.
Z2 + -4z + 4z = -8 + 4z

Combine like terms: -4z + 4z = 0
Z2 + 0 = -8 + 4z
Z2 = -8 + 4z

Simplifying
Z2 = -8 + 4z

Reorder the terms:
8 + Z2 + -4z = -8 + 4z + 8 + -4z

Reorder the terms:
8 + Z2 + -4z = -8 + 8 + 4z + -4z

Combine like terms: -8 + 8 = 0
8 + Z2 + -4z = 0 + 4z + -4z
8 + Z2 + -4z = 4z + -4z

Combine like terms: 4z + -4z = 0
8 + Z2 + -4z = 0

The solution to this equation could not be determined.

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