z^2-61=16

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Solution for z^2-61=16 equation: 


Simplifying
z2 + -61 = 16

Reorder the terms:
-61 + z2 = 16

Solving
-61 + z2 = 16

Solving for variable 'z'.

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

Add '61' to each side of the equation.
-61 + 61 + z2 = 16 + 61

Combine like terms: -61 + 61 = 0
0 + z2 = 16 + 61
z2 = 16 + 61

Combine like terms: 16 + 61 = 77
z2 = 77

Simplifying
z2 = 77

Take the square root of each side:
z = {-8.774964387, 8.774964387}

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