Z^2+2z+-8=7

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Solution for Z^2+2z+-8=7 equation:


Simplifying
Z2 + 2z + -8 = 7

Reorder the terms:
-8 + Z2 + 2z = 7

Solving
-8 + Z2 + 2z = 7

Solving for variable 'Z'.

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

Add '8' to each side of the equation.
-8 + Z2 + 8 + 2z = 7 + 8

Reorder the terms:
-8 + 8 + Z2 + 2z = 7 + 8

Combine like terms: -8 + 8 = 0
0 + Z2 + 2z = 7 + 8
Z2 + 2z = 7 + 8

Combine like terms: 7 + 8 = 15
Z2 + 2z = 15

Add '-2z' to each side of the equation.
Z2 + 2z + -2z = 15 + -2z

Combine like terms: 2z + -2z = 0
Z2 + 0 = 15 + -2z
Z2 = 15 + -2z

Simplifying
Z2 = 15 + -2z

Reorder the terms:
-15 + Z2 + 2z = 15 + -2z + -15 + 2z

Reorder the terms:
-15 + Z2 + 2z = 15 + -15 + -2z + 2z

Combine like terms: 15 + -15 = 0
-15 + Z2 + 2z = 0 + -2z + 2z
-15 + Z2 + 2z = -2z + 2z

Combine like terms: -2z + 2z = 0
-15 + Z2 + 2z = 0

The solution to this equation could not be determined.

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