Y=(x+1)(x-3)(x-3)

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


Simplifying
Y = (x + 1)(x + -3)(x + -3)

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

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

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

Multiply (1 + x) * (-3 + x)
Y = (1(-3 + x) + x(-3 + x))(-3 + x)
Y = ((-3 * 1 + x * 1) + x(-3 + x))(-3 + x)
Y = ((-3 + 1x) + x(-3 + x))(-3 + x)
Y = (-3 + 1x + (-3 * x + x * x))(-3 + x)
Y = (-3 + 1x + (-3x + x2))(-3 + x)

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

Multiply (-3 + -2x + x2) * (-3 + x)
Y = (-3(-3 + x) + -2x * (-3 + x) + x2(-3 + x))
Y = ((-3 * -3 + x * -3) + -2x * (-3 + x) + x2(-3 + x))
Y = ((9 + -3x) + -2x * (-3 + x) + x2(-3 + x))
Y = (9 + -3x + (-3 * -2x + x * -2x) + x2(-3 + x))
Y = (9 + -3x + (6x + -2x2) + x2(-3 + x))
Y = (9 + -3x + 6x + -2x2 + (-3 * x2 + x * x2))
Y = (9 + -3x + 6x + -2x2 + (-3x2 + x3))

Combine like terms: -3x + 6x = 3x
Y = (9 + 3x + -2x2 + -3x2 + x3)

Combine like terms: -2x2 + -3x2 = -5x2
Y = (9 + 3x + -5x2 + x3)

Solving
Y = 9 + 3x + -5x2 + x3

Solving for variable 'Y'.

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

Simplifying
Y = 9 + 3x + -5x2 + x3

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