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Simplifying
529x2 = 400
Solving
529x2 = 400
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '529'.
x2 = 0.7561436673
Simplifying
x2 = 0.7561436673
Take the square root of each side:
x = {-0.869565217, 0.869565217}
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