z^2-56=0

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Solution for z^2-56=0 equation: 


Simplifying
z2 + -56 = 0

Reorder the terms:
-56 + z2 = 0

Solving
-56 + z2 = 0

Solving for variable 'z'.

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

Add '56' to each side of the equation.
-56 + 56 + z2 = 0 + 56

Combine like terms: -56 + 56 = 0
0 + z2 = 0 + 56
z2 = 0 + 56

Combine like terms: 0 + 56 = 56
z2 = 56

Simplifying
z2 = 56

Take the square root of each side:
z = {-7.483314774, 7.483314774}

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