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avatar+1679 

What is the coefficient of $x$ in $(x^3 + x^2 + x + 1)(x^4 - 8x^3 + 17x^2 - 23x + 14)$?

 Nov 30, 2023
 #1
avatar+36923 
+1

1 *-23x    +  14 * x =   - 9x

so  -9 is the coefficient of x 

 Dec 1, 2023

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