-3z^2=-213

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Solution for -3z^2=-213 equation: 


Simplifying
-3z2 = -213

Solving
-3z2 = -213

Solving for variable 'z'.

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

Divide each side by '-3'.
z2 = 71

Simplifying
z2 = 71

Take the square root of each side:
z = {-8.426149773, 8.426149773}

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