z^2-86=0

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Solution for z^2-86=0 equation:


Simplifying
z2 + -86 = 0

Reorder the terms:
-86 + z2 = 0

Solving
-86 + z2 = 0

Solving for variable 'z'.

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

Add '86' to each side of the equation.
-86 + 86 + z2 = 0 + 86

Combine like terms: -86 + 86 = 0
0 + z2 = 0 + 86
z2 = 0 + 86

Combine like terms: 0 + 86 = 86
z2 = 86

Simplifying
z2 = 86

Take the square root of each side:
z = {-9.273618495, 9.273618495}

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