y=xcos^2(3x)

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Solution for y=xcos^2(3x) equation: 


Simplifying
y = xcos2(3x)

Remove parenthesis around (3x)
y = cos2x * 3x

Reorder the terms for easier multiplication:
y = 3cos2x * x

Multiply cos2x * x
y = 3cos2x2

Solving
y = 3cos2x2

Solving for variable 'y'.

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

Simplifying
y = 3cos2x2

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