128=(x)(x-4)(x-4)

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Solution for 128=(x)(x-4)(x-4) equation: 


Simplifying
128 = (x)(x + -4)(x + -4)

Reorder the terms:
128 = x(-4 + x)(x + -4)

Reorder the terms:
128 = x(-4 + x)(-4 + x)

Multiply (-4 + x) * (-4 + x)
128 = x(-4(-4 + x) + x(-4 + x))
128 = x((-4 * -4 + x * -4) + x(-4 + x))
128 = x((16 + -4x) + x(-4 + x))
128 = x(16 + -4x + (-4 * x + x * x))
128 = x(16 + -4x + (-4x + x2))

Combine like terms: -4x + -4x = -8x
128 = x(16 + -8x + x2)
128 = (16 * x + -8x * x + x2 * x)
128 = (16x + -8x2 + x3)

Solving
128 = 16x + -8x2 + x3

Solving for variable 'x'.

Reorder the terms:
128 + -16x + 8x2 + -1x3 = 16x + -16x + -8x2 + 8x2 + x3 + -1x3

Combine like terms: 16x + -16x = 0
128 + -16x + 8x2 + -1x3 = 0 + -8x2 + 8x2 + x3 + -1x3
128 + -16x + 8x2 + -1x3 = -8x2 + 8x2 + x3 + -1x3

Combine like terms: -8x2 + 8x2 = 0
128 + -16x + 8x2 + -1x3 = 0 + x3 + -1x3
128 + -16x + 8x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
128 + -16x + 8x2 + -1x3 = 0

The solution to this equation could not be determined.

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