(7x^4+3x^3-4x^2)-(-4x^4-5x^3+8x+5)=

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Solution for (7x^4+3x^3-4x^2)-(-4x^4-5x^3+8x+5)= equation: 


Simplifying
(7x4 + 3x3 + -4x2) + -1(-4x4 + -5x3 + 8x + 5) = 0

Reorder the terms:
(-4x2 + 3x3 + 7x4) + -1(-4x4 + -5x3 + 8x + 5) = 0

Remove parenthesis around (-4x2 + 3x3 + 7x4)
-4x2 + 3x3 + 7x4 + -1(-4x4 + -5x3 + 8x + 5) = 0

Reorder the terms:
-4x2 + 3x3 + 7x4 + -1(5 + 8x + -5x3 + -4x4) = 0
-4x2 + 3x3 + 7x4 + (5 * -1 + 8x * -1 + -5x3 * -1 + -4x4 * -1) = 0
-4x2 + 3x3 + 7x4 + (-5 + -8x + 5x3 + 4x4) = 0

Reorder the terms:
-5 + -8x + -4x2 + 3x3 + 5x3 + 7x4 + 4x4 = 0

Combine like terms: 3x3 + 5x3 = 8x3
-5 + -8x + -4x2 + 8x3 + 7x4 + 4x4 = 0

Combine like terms: 7x4 + 4x4 = 11x4
-5 + -8x + -4x2 + 8x3 + 11x4 = 0

Solving
-5 + -8x + -4x2 + 8x3 + 11x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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