y(x)=x^4-4x^3-2x^2-12x-15

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Solution for y(x)=x^4-4x^3-2x^2-12x-15 equation:


Simplifying
y(x) = x4 + -4x3 + -2x2 + -12x + -15

Multiply y * x
xy = x4 + -4x3 + -2x2 + -12x + -15

Reorder the terms:
xy = -15 + -12x + -2x2 + -4x3 + x4

Solving
xy = -15 + -12x + -2x2 + -4x3 + x4

Solving for variable 'x'.

Reorder the terms:
15 + 12x + xy + 2x2 + 4x3 + -1x4 = -15 + -12x + -2x2 + -4x3 + x4 + 15 + 12x + 2x2 + 4x3 + -1x4

Reorder the terms:
15 + 12x + xy + 2x2 + 4x3 + -1x4 = -15 + 15 + -12x + 12x + -2x2 + 2x2 + -4x3 + 4x3 + x4 + -1x4

Combine like terms: -15 + 15 = 0
15 + 12x + xy + 2x2 + 4x3 + -1x4 = 0 + -12x + 12x + -2x2 + 2x2 + -4x3 + 4x3 + x4 + -1x4
15 + 12x + xy + 2x2 + 4x3 + -1x4 = -12x + 12x + -2x2 + 2x2 + -4x3 + 4x3 + x4 + -1x4

Combine like terms: -12x + 12x = 0
15 + 12x + xy + 2x2 + 4x3 + -1x4 = 0 + -2x2 + 2x2 + -4x3 + 4x3 + x4 + -1x4
15 + 12x + xy + 2x2 + 4x3 + -1x4 = -2x2 + 2x2 + -4x3 + 4x3 + x4 + -1x4

Combine like terms: -2x2 + 2x2 = 0
15 + 12x + xy + 2x2 + 4x3 + -1x4 = 0 + -4x3 + 4x3 + x4 + -1x4
15 + 12x + xy + 2x2 + 4x3 + -1x4 = -4x3 + 4x3 + x4 + -1x4

Combine like terms: -4x3 + 4x3 = 0
15 + 12x + xy + 2x2 + 4x3 + -1x4 = 0 + x4 + -1x4
15 + 12x + xy + 2x2 + 4x3 + -1x4 = x4 + -1x4

Combine like terms: x4 + -1x4 = 0
15 + 12x + xy + 2x2 + 4x3 + -1x4 = 0

The solution to this equation could not be determined.

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