f(x)=(x-3)(x+2)(x+1)

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Solution for f(x)=(x-3)(x+2)(x+1) equation:


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

Multiply f * x
fx = (x + -3)(x + 2)(x + 1)

Reorder the terms:
fx = (-3 + x)(x + 2)(x + 1)

Reorder the terms:
fx = (-3 + x)(2 + x)(x + 1)

Reorder the terms:
fx = (-3 + x)(2 + x)(1 + x)

Multiply (-3 + x) * (2 + x)
fx = (-3(2 + x) + x(2 + x))(1 + x)
fx = ((2 * -3 + x * -3) + x(2 + x))(1 + x)
fx = ((-6 + -3x) + x(2 + x))(1 + x)
fx = (-6 + -3x + (2 * x + x * x))(1 + x)
fx = (-6 + -3x + (2x + x2))(1 + x)

Combine like terms: -3x + 2x = -1x
fx = (-6 + -1x + x2)(1 + x)

Multiply (-6 + -1x + x2) * (1 + x)
fx = (-6(1 + x) + -1x * (1 + x) + x2(1 + x))
fx = ((1 * -6 + x * -6) + -1x * (1 + x) + x2(1 + x))
fx = ((-6 + -6x) + -1x * (1 + x) + x2(1 + x))
fx = (-6 + -6x + (1 * -1x + x * -1x) + x2(1 + x))
fx = (-6 + -6x + (-1x + -1x2) + x2(1 + x))
fx = (-6 + -6x + -1x + -1x2 + (1 * x2 + x * x2))
fx = (-6 + -6x + -1x + -1x2 + (1x2 + x3))

Combine like terms: -6x + -1x = -7x
fx = (-6 + -7x + -1x2 + 1x2 + x3)

Combine like terms: -1x2 + 1x2 = 0
fx = (-6 + -7x + 0 + x3)
fx = (-6 + -7x + x3)

Solving
fx = -6 + -7x + 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 = -6x-1 + -7 + x2

Simplifying
f = -6x-1 + -7 + x2

Reorder the terms:
f = -7 + -6x-1 + x2

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