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Simplifying
72x2 = 18
Solving
72x2 = 18
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '72'.
x2 = 0.25
Simplifying
x2 = 0.25
Take the square root of each side:
x = {-0.5, 0.5}
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