Please show all work all so use horizontal method or the box method whichever one you are more comfortable with. (20 points) Show all work

asked Dec 1, 2021 62.4k views

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Please show all work all so use horizontal method or the box method whichever one you are more comfortable with.

(20 points)
Show all work

8.6k points

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4 votes

Answer:

12x^3 - 11x^2 + 9x + 18

Explanation:

12x^3 - 20x^2 + 24x + 9x^2 - 15x + 18

combine like terms

12x^3 - 11x^2 + 9x + 18

Joe Buckle answered Dec 6, 2021