Y=xcos(3x)

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Solution for Y=xcos(3x) equation: 


Simplifying
Y = xcos(3x)

Remove parenthesis around (3x)
Y = cosx * 3x

Reorder the terms for easier multiplication:
Y = 3cosx * x

Multiply cosx * x
Y = 3cosx2

Solving
Y = 3cosx2

Solving for variable 'Y'.

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

Simplifying
Y = 3cosx2

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