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

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


Simplifying
(-5x4 + -7x + 5) + -1(-7x4 + -9x + -5) = 0

Reorder the terms:
(5 + -7x + -5x4) + -1(-7x4 + -9x + -5) = 0

Remove parenthesis around (5 + -7x + -5x4)
5 + -7x + -5x4 + -1(-7x4 + -9x + -5) = 0

Reorder the terms:
5 + -7x + -5x4 + -1(-5 + -9x + -7x4) = 0
5 + -7x + -5x4 + (-5 * -1 + -9x * -1 + -7x4 * -1) = 0
5 + -7x + -5x4 + (5 + 9x + 7x4) = 0

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

Combine like terms: 5 + 5 = 10
10 + -7x + 9x + -5x4 + 7x4 = 0

Combine like terms: -7x + 9x = 2x
10 + 2x + -5x4 + 7x4 = 0

Combine like terms: -5x4 + 7x4 = 2x4
10 + 2x + 2x4 = 0

Solving
10 + 2x + 2x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(5 + x + x4) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(5 + x + x4)' equal to zero and attempt to solve: Simplifying 5 + x + x4 = 0 Solving 5 + x + 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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