z^2-169=

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Solution for z^2-169= equation: 


Simplifying
z2 + -169 = 0

Reorder the terms:
-169 + z2 = 0

Solving
-169 + z2 = 0

Solving for variable 'z'.

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

Add '169' to each side of the equation.
-169 + 169 + z2 = 0 + 169

Combine like terms: -169 + 169 = 0
0 + z2 = 0 + 169
z2 = 0 + 169

Combine like terms: 0 + 169 = 169
z2 = 169

Simplifying
z2 = 169

Take the square root of each side:
z = {-13, 13}

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