Question

(x^2-x-1) (7x^2-2x+11) find the product​

Answer 1

Answer:

7x^4 - 9x^3 + 6x^2 - 9x - 11

Step-by-step explanation:

x^2 * (7x^2 - 2x + 11) - x * (7x^2 - 2x + 11) - 1 * (7x^2 - 2x + 11)  

7x^4 - 2x^3 + 11x^2 - 7x^3 + 2x^2 - 11x - 7x^2 + 2x - 11

7x^4 - 9x^3 + 6x^2 - 9x - 11