f(x)=x^2-13x

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Solution for f(x)=x^2-13x equation: 


Simplifying
f(x) = x2 + -13x

Multiply f * x
fx = x2 + -13x

Reorder the terms:
fx = -13x + x2

Solving
fx = -13x + x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -13 + x

Simplifying
f = -13 + x

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