(11x^4-x^2+3x-7)-(2x^4+4x^3+3x+7)=0

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Solution for (11x^4-x^2+3x-7)-(2x^4+4x^3+3x+7)=0 equation: 


Simplifying
(11x4 + -1x2 + 3x + -7) + -1(2x4 + 4x3 + 3x + 7) = 0

Reorder the terms:
(-7 + 3x + -1x2 + 11x4) + -1(2x4 + 4x3 + 3x + 7) = 0

Remove parenthesis around (-7 + 3x + -1x2 + 11x4)
-7 + 3x + -1x2 + 11x4 + -1(2x4 + 4x3 + 3x + 7) = 0

Reorder the terms:
-7 + 3x + -1x2 + 11x4 + -1(7 + 3x + 4x3 + 2x4) = 0
-7 + 3x + -1x2 + 11x4 + (7 * -1 + 3x * -1 + 4x3 * -1 + 2x4 * -1) = 0
-7 + 3x + -1x2 + 11x4 + (-7 + -3x + -4x3 + -2x4) = 0

Reorder the terms:
-7 + -7 + 3x + -3x + -1x2 + -4x3 + 11x4 + -2x4 = 0

Combine like terms: -7 + -7 = -14
-14 + 3x + -3x + -1x2 + -4x3 + 11x4 + -2x4 = 0

Combine like terms: 3x + -3x = 0
-14 + 0 + -1x2 + -4x3 + 11x4 + -2x4 = 0
-14 + -1x2 + -4x3 + 11x4 + -2x4 = 0

Combine like terms: 11x4 + -2x4 = 9x4
-14 + -1x2 + -4x3 + 9x4 = 0

Solving
-14 + -1x2 + -4x3 + 9x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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