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Simplifying
36z2 = 9
Solving
36z2 = 9
Solving for variable 'z'.
Move all terms containing z to the left, all other terms to the right.
Divide each side by '36'.
z2 = 0.25
Simplifying
z2 = 0.25
Take the square root of each side:
z = {-0.5, 0.5}
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