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what is the coefficient of x when (7+8x)-3(2+6x+2x^2)+9(1+3x+4x^2+12x^3)-9(7-x^2-8x^3+13x^4) is simplified?

1 Answer

6 votes

Answer:

8x-18x+27x=17x

Explanation:

User Nathanael Demacon
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