f(x)=7x^2-x-1

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Solution for f(x)=7x^2-x-1 equation: 


Simplifying
f(x) = 7x2 + -1x + -1

Multiply f * x
fx = 7x2 + -1x + -1

Reorder the terms:
fx = -1 + -1x + 7x2

Solving
fx = -1 + -1x + 7x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -1x-1 + -1 + 7x

Simplifying
f = -1x-1 + -1 + 7x

Reorder the terms:
f = -1 + -1x-1 + 7x

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