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

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


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

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

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

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

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

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

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

Multiply (1 + 2x + x2) * (2 + x)
fx = (1(2 + x) + 2x * (2 + x) + x2(2 + x))
fx = ((2 * 1 + x * 1) + 2x * (2 + x) + x2(2 + x))
fx = ((2 + 1x) + 2x * (2 + x) + x2(2 + x))
fx = (2 + 1x + (2 * 2x + x * 2x) + x2(2 + x))
fx = (2 + 1x + (4x + 2x2) + x2(2 + x))
fx = (2 + 1x + 4x + 2x2 + (2 * x2 + x * x2))
fx = (2 + 1x + 4x + 2x2 + (2x2 + x3))

Combine like terms: 1x + 4x = 5x
fx = (2 + 5x + 2x2 + 2x2 + x3)

Combine like terms: 2x2 + 2x2 = 4x2
fx = (2 + 5x + 4x2 + x3)

Solving
fx = 2 + 5x + 4x2 + 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 + 5 + 4x + x2

Simplifying
f = 2x-1 + 5 + 4x + x2

Reorder the terms:
f = 5 + 2x-1 + 4x + x2

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