0=1-81z^2

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Solution for 0=1-81z^2 equation: 


Simplifying
0 = 1 + -81z2

Solving
0 = 1 + -81z2

Solving for variable 'z'.

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

Add '81z2' to each side of the equation.
0 + 81z2 = 1 + -81z2 + 81z2
Remove the zero:
81z2 = 1 + -81z2 + 81z2

Combine like terms: -81z2 + 81z2 = 0
81z2 = 1 + 0
81z2 = 1

Divide each side by '81'.
z2 = 0.01234567901

Simplifying
z2 = 0.01234567901

Take the square root of each side:
z = {-0.111111111, 0.111111111}

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