z^2-12=-11

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Solution for z^2-12=-11 equation: 


Simplifying
z2 + -12 = -11

Reorder the terms:
-12 + z2 = -11

Solving
-12 + z2 = -11

Solving for variable 'z'.

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

Add '12' to each side of the equation.
-12 + 12 + z2 = -11 + 12

Combine like terms: -12 + 12 = 0
0 + z2 = -11 + 12
z2 = -11 + 12

Combine like terms: -11 + 12 = 1
z2 = 1

Simplifying
z2 = 1

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

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