D(x)=12x^4-20x^3-6x^2-2x-4

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Solution for D(x)=12x^4-20x^3-6x^2-2x-4 equation: 


Simplifying
D(x) = 12x4 + -20x3 + -6x2 + -2x + -4

Multiply D * x
xD = 12x4 + -20x3 + -6x2 + -2x + -4

Reorder the terms:
xD = -4 + -2x + -6x2 + -20x3 + 12x4

Solving
xD = -4 + -2x + -6x2 + -20x3 + 12x4

Solving for variable 'x'.

Reorder the terms:
4 + 2x + xD + 6x2 + 20x3 + -12x4 = -4 + -2x + -6x2 + -20x3 + 12x4 + 4 + 2x + 6x2 + 20x3 + -12x4

Reorder the terms:
4 + 2x + xD + 6x2 + 20x3 + -12x4 = -4 + 4 + -2x + 2x + -6x2 + 6x2 + -20x3 + 20x3 + 12x4 + -12x4

Combine like terms: -4 + 4 = 0
4 + 2x + xD + 6x2 + 20x3 + -12x4 = 0 + -2x + 2x + -6x2 + 6x2 + -20x3 + 20x3 + 12x4 + -12x4
4 + 2x + xD + 6x2 + 20x3 + -12x4 = -2x + 2x + -6x2 + 6x2 + -20x3 + 20x3 + 12x4 + -12x4

Combine like terms: -2x + 2x = 0
4 + 2x + xD + 6x2 + 20x3 + -12x4 = 0 + -6x2 + 6x2 + -20x3 + 20x3 + 12x4 + -12x4
4 + 2x + xD + 6x2 + 20x3 + -12x4 = -6x2 + 6x2 + -20x3 + 20x3 + 12x4 + -12x4

Combine like terms: -6x2 + 6x2 = 0
4 + 2x + xD + 6x2 + 20x3 + -12x4 = 0 + -20x3 + 20x3 + 12x4 + -12x4
4 + 2x + xD + 6x2 + 20x3 + -12x4 = -20x3 + 20x3 + 12x4 + -12x4

Combine like terms: -20x3 + 20x3 = 0
4 + 2x + xD + 6x2 + 20x3 + -12x4 = 0 + 12x4 + -12x4
4 + 2x + xD + 6x2 + 20x3 + -12x4 = 12x4 + -12x4

Combine like terms: 12x4 + -12x4 = 0
4 + 2x + xD + 6x2 + 20x3 + -12x4 = 0

The solution to this equation could not be determined.

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