f(x)=5x(2x^2)

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Solution for f(x)=5x(2x^2) equation: 


Simplifying
f(x) = 5x(2x2)

Multiply f * x
fx = 5x(2x2)

Remove parenthesis around (2x2)
fx = 5x * 2x2

Reorder the terms for easier multiplication:
fx = 5 * 2x * x2

Multiply 5 * 2
fx = 10x * x2

Multiply x * x2
fx = 10x3

Solving
fx = 10x3

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 10x2

Simplifying
f = 10x2

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