x(1.25x)=180

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Solution for x(1.25x)=180 equation: 


Simplifying
x(1.25x) = 180

Remove parenthesis around (1.25x)
x * 1.25x = 180

Reorder the terms for easier multiplication:
1.25x * x = 180

Multiply x * x
1.25x2 = 180

Solving
1.25x2 = 180

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 = 144

Simplifying
x2 = 144

Take the square root of each side:
x = {-12, 12}

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