Y=(x+2)(x-2)(x+4)

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Solution for Y=(x+2)(x-2)(x+4) equation: 


Simplifying
Y = (x + 2)(x + -2)(x + 4)

Reorder the terms:
Y = (2 + x)(x + -2)(x + 4)

Reorder the terms:
Y = (2 + x)(-2 + x)(x + 4)

Reorder the terms:
Y = (2 + x)(-2 + x)(4 + x)

Multiply (2 + x) * (-2 + x)
Y = (2(-2 + x) + x(-2 + x))(4 + x)
Y = ((-2 * 2 + x * 2) + x(-2 + x))(4 + x)
Y = ((-4 + 2x) + x(-2 + x))(4 + x)
Y = (-4 + 2x + (-2 * x + x * x))(4 + x)
Y = (-4 + 2x + (-2x + x2))(4 + x)

Combine like terms: 2x + -2x = 0
Y = (-4 + 0 + x2)(4 + x)
Y = (-4 + x2)(4 + x)

Multiply (-4 + x2) * (4 + x)
Y = (-4(4 + x) + x2(4 + x))
Y = ((4 * -4 + x * -4) + x2(4 + x))
Y = ((-16 + -4x) + x2(4 + x))
Y = (-16 + -4x + (4 * x2 + x * x2))
Y = (-16 + -4x + (4x2 + x3))
Y = (-16 + -4x + 4x2 + x3)

Solving
Y = -16 + -4x + 4x2 + x3

Solving for variable 'Y'.

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

Simplifying
Y = -16 + -4x + 4x2 + x3

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