Answer :

Yang100

Answer:

4x^3-5x^2+6x-11

Step-by-step explanation:

(4x^3+3x^2+5x)-(8x^2-x+11)

4x^3+3x^2-8x^2+5x-(-x)-11

4x^3-5x^2+5x+x-11

4x^3-5x^2+6x-11

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