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Simplifying
81x2 = 4
Solving
81x2 = 4
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '81'.
x2 = 0.04938271605
Simplifying
x2 = 0.04938271605
Take the square root of each side:
x = {-0.222222222, 0.222222222}
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