z^2-5=-7

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Solution for z^2-5=-7 equation:


Simplifying
z2 + -5 = -7

Reorder the terms:
-5 + z2 = -7

Solving
-5 + z2 = -7

Solving for variable 'z'.

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

Add '5' to each side of the equation.
-5 + 5 + z2 = -7 + 5

Combine like terms: -5 + 5 = 0
0 + z2 = -7 + 5
z2 = -7 + 5

Combine like terms: -7 + 5 = -2
z2 = -2

Simplifying
z2 = -2

Reorder the terms:
2 + z2 = -2 + 2

Combine like terms: -2 + 2 = 0
2 + z2 = 0

The solution to this equation could not be determined.

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