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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