(x^3+3x^2+7)+(3x^3-4x^2-5x-1)=

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Solution for (x^3+3x^2+7)+(3x^3-4x^2-5x-1)= equation: 


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

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

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

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

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

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

Combine like terms: 7 + -1 = 6
6 + -5x + 3x2 + -4x2 + x3 + 3x3 = 0

Combine like terms: 3x2 + -4x2 = -1x2
6 + -5x + -1x2 + x3 + 3x3 = 0

Combine like terms: x3 + 3x3 = 4x3
6 + -5x + -1x2 + 4x3 = 0

Solving
6 + -5x + -1x2 + 4x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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