3z^2-18=-18

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Solution for 3z^2-18=-18 equation: 


Simplifying
3z2 + -18 = -18

Reorder the terms:
-18 + 3z2 = -18

Add '18' to each side of the equation.
-18 + 18 + 3z2 = -18 + 18

Combine like terms: -18 + 18 = 0
0 + 3z2 = -18 + 18
3z2 = -18 + 18

Combine like terms: -18 + 18 = 0
3z2 = 0

Solving
3z2 = 0

Solving for variable 'z'.

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

Divide each side by '3'.
z2 = 0

Simplifying
z2 = 0

Take the square root of each side:
z = {0}

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