Respuesta :

(3x^3-4x^2-5x+3)+(-4 - 6x^3+x^2 - 5x+5)
3x^3 - 4x^2 - 5x + 3 - 4 - 6x^3  +  x^2 - 5x  +  5
= -3x^3 - 3x^2  -  10x + 4
= -3x^3 - 3x^2  -  10x + 4 is the correct answer
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