What is the coefficient of $x$ in $(x^3 + x^2 + x + 1)(x^4 - 8x^3 + 17x^2 - 23x + 14)$?
The 'x' coefficient will be the result of 1 * (-23x) + 14 * x = -23x + 14x = - 9x
so the coefficient in question will be -9
+359 
+37146 
