Question

(а² - За) (а² - За + 7) + 10​

Answer 1

Answer:

Here is your answer

Step-by-step explanation:

All The Best

Answer 2

(a² - 3a) (a² - 3a + 7) + 10

= a²(a² - 3a + 7) - 3a(a² - 3a + 7) + 10

$= {a}^{4 } - 3 {a}^{3} + 7 {a}^{2} - 3 {a}^{3} + 9 {a}^{2} \\ - 21a + 10 \\ \\ = {a}^{4} - 6 {a}^{3} + 16 {a}^{2} - 21a + 10$