z^2+61=77

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Solution for z^2+61=77 equation: 


Simplifying
z2 + 61 = 77

Reorder the terms:
61 + z2 = 77

Solving
61 + z2 = 77

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 = 77 + -61

Combine like terms: 61 + -61 = 0
0 + z2 = 77 + -61
z2 = 77 + -61

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

Simplifying
z2 = 16

Take the square root of each side:
z = {-4, 4}

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