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Simplifying
81x2 = 36
Solving
81x2 = 36
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '81'.
x2 = 0.4444444444
Simplifying
x2 = 0.4444444444
Take the square root of each side:
x = {-0.666666667, 0.666666667}
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