(x)(3x)=75

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Solution for (x)(3x)=75 equation: 


Simplifying
(x)(3x) = 75

Remove parenthesis around (3x)
x * 3x = 75

Reorder the terms for easier multiplication:
3x * x = 75

Multiply x * x
3x2 = 75

Solving
3x2 = 75

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '3'.
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}

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