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

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


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

Multiply f * x
fx = x2 + -1(x + 1)

Reorder the terms:
fx = x2 + -1(1 + x)
fx = x2 + (1 * -1 + x * -1)
fx = x2 + (-1 + -1x)

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

Solving
fx = -1 + -1x + 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 = -1x-1 + -1 + x

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

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

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