(3x)x=45

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Solution for (3x)x=45 equation: 


Simplifying
(3x) * x = 45

Remove parenthesis around (3x)
3x * x = 45

Multiply x * x
3x2 = 45

Solving
3x2 = 45

Solving for variable 'x'.

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

Divide each side by '3'.
x2 = 15

Simplifying
x2 = 15

Take the square root of each side:
x = {-3.872983346, 3.872983346}

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