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Simplifying
x * 1.25x = 90000
Reorder the terms for easier multiplication:
1.25x * x = 90000
Multiply x * x
1.25x2 = 90000
Solving
1.25x2 = 90000
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '1.25'.
x2 = 72000
Simplifying
x2 = 72000
Take the square root of each side:
x = {-268.3281573, 268.3281573}
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