f(x)=-9x-2+x(-3x+6)

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Solution for f(x)=-9x-2+x(-3x+6) equation: 


Simplifying
f(x) = -9x + -2 + x(-3x + 6)

Multiply f * x
fx = -9x + -2 + x(-3x + 6)

Reorder the terms:
fx = -9x + -2 + x(6 + -3x)
fx = -9x + -2 + (6 * x + -3x * x)
fx = -9x + -2 + (6x + -3x2)

Reorder the terms:
fx = -2 + -9x + 6x + -3x2

Combine like terms: -9x + 6x = -3x
fx = -2 + -3x + -3x2

Solving
fx = -2 + -3x + -3x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -2x-1 + -3 + -3x

Simplifying
f = -2x-1 + -3 + -3x

Reorder the terms:
f = -3 + -2x-1 + -3x

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