Algebra

Question

0

15

1

+569

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

onyuIee Jul 24, 2024

NotThatSmart · Answer 1 · 2024-07-24T12:53:07

This is defintely not a smart tactice, but let's expand everything.

I won't show all the steps, but we eventually get

$x^{7}-7x^{6}+10x^{5}-13x^{4}+8x^{2}-9x+14$

Thus, our answer is -9.

Thanks! :)