f(x)=x(2x+7)

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Solution for f(x)=x(2x+7) equation: 


Simplifying
f(x) = x(2x + 7)

Multiply f * x
fx = x(2x + 7)

Reorder the terms:
fx = x(7 + 2x)
fx = (7 * x + 2x * x)
fx = (7x + 2x2)

Solving
fx = 7x + 2x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 7 + 2x

Simplifying
f = 7 + 2x

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