(4x^4-4x^3-3x)+(-7x^4-5x^3-9)=0

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Solution for (4x^4-4x^3-3x)+(-7x^4-5x^3-9)=0 equation:


Simplifying
(4x4 + -4x3 + -3x) + (-7x4 + -5x3 + -9) = 0

Reorder the terms:
(-3x + -4x3 + 4x4) + (-7x4 + -5x3 + -9) = 0

Remove parenthesis around (-3x + -4x3 + 4x4)
-3x + -4x3 + 4x4 + (-7x4 + -5x3 + -9) = 0

Reorder the terms:
-3x + -4x3 + 4x4 + (-9 + -5x3 + -7x4) = 0

Remove parenthesis around (-9 + -5x3 + -7x4)
-3x + -4x3 + 4x4 + -9 + -5x3 + -7x4 = 0

Reorder the terms:
-9 + -3x + -4x3 + -5x3 + 4x4 + -7x4 = 0

Combine like terms: -4x3 + -5x3 = -9x3
-9 + -3x + -9x3 + 4x4 + -7x4 = 0

Combine like terms: 4x4 + -7x4 = -3x4
-9 + -3x + -9x3 + -3x4 = 0

Solving
-9 + -3x + -9x3 + -3x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-3'.
-3(3 + x + 3x3 + x4) = 0

Ignore the factor -3.

Subproblem 1

Set the factor '(3 + x + 3x3 + x4)' equal to zero and attempt to solve: Simplifying 3 + x + 3x3 + x4 = 0 Solving 3 + x + 3x3 + x4 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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