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(3x^3-4x^2-5x+3)+(-4 - 6x^3+x^2 - 5x+5)

User Squall
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= -3x^3 - 3x^2 - 10x + 4 is the correct answer
User Kohei TAMURA
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(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
User Esteban Brenes
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