What is the coefficient of $x$ in $(x^3 + x^2 + x + 1)(x^4 - 8x^3 + 17x^2 - 23x + 14)$?
WE GOT X WHEN X MULTIPLY BY CONSTANT OR CONSTANT MULTIPLY BY X TERMS .
HERE ,WHEN X IS MULTIPLY BY 14 THEN WE GOT 14X.
ALSO -23X IS MULTIPLY BY 1 WE GOT -23X.
-23X+14X=-7X.
SO , OUR ANSWER IS -7.
+1049 
