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

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


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

Multiply f * x
fx = (x + -2)(x + 1)(x + -1)

Reorder the terms:
fx = (-2 + x)(x + 1)(x + -1)

Reorder the terms:
fx = (-2 + x)(1 + x)(x + -1)

Reorder the terms:
fx = (-2 + x)(1 + x)(-1 + x)

Multiply (-2 + x) * (1 + x)
fx = (-2(1 + x) + x(1 + x))(-1 + x)
fx = ((1 * -2 + x * -2) + x(1 + x))(-1 + x)
fx = ((-2 + -2x) + x(1 + x))(-1 + x)
fx = (-2 + -2x + (1 * x + x * x))(-1 + x)
fx = (-2 + -2x + (1x + x2))(-1 + x)

Combine like terms: -2x + 1x = -1x
fx = (-2 + -1x + x2)(-1 + x)

Multiply (-2 + -1x + x2) * (-1 + x)
fx = (-2(-1 + x) + -1x * (-1 + x) + x2(-1 + x))
fx = ((-1 * -2 + x * -2) + -1x * (-1 + x) + x2(-1 + x))
fx = ((2 + -2x) + -1x * (-1 + x) + x2(-1 + x))
fx = (2 + -2x + (-1 * -1x + x * -1x) + x2(-1 + x))
fx = (2 + -2x + (1x + -1x2) + x2(-1 + x))
fx = (2 + -2x + 1x + -1x2 + (-1 * x2 + x * x2))
fx = (2 + -2x + 1x + -1x2 + (-1x2 + x3))

Combine like terms: -2x + 1x = -1x
fx = (2 + -1x + -1x2 + -1x2 + x3)

Combine like terms: -1x2 + -1x2 = -2x2
fx = (2 + -1x + -2x2 + x3)

Solving
fx = 2 + -1x + -2x2 + x3

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 + -1 + -2x + x2

Simplifying
f = 2x-1 + -1 + -2x + x2

Reorder the terms:
f = -1 + 2x-1 + -2x + x2

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