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Simplifying
(2.5x)(3x) = 18
Remove parenthesis around (2.5x)
2.5x(3x) = 18
Remove parenthesis around (3x)
2.5x * 3x = 18
Reorder the terms for easier multiplication:
2.5 * 3x * x = 18
Multiply 2.5 * 3
7.5x * x = 18
Multiply x * x
7.5x2 = 18
Solving
7.5x2 = 18
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '7.5'.
x2 = 2.4
Simplifying
x2 = 2.4
Take the square root of each side:
x = {-1.549193338, 1.549193338}
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