The-constant-term-in-the-polynomial-P-x-x-2-x-7-Q-x-1-2x-1-is-20-What-is-the-sum-of-coefficients-of-the-polynomial-Q-x-

Question Number 176849 by Ar Brandon last updated on 27/Sep/22

The constant term in the polynomial

P (x) = (x^{2} + x - 7) Q (x + 1) + 2 x + 1

is - 20 . What is the sum of coefficients of

the polynomial Q (x) ?