Can you please answer these??​

1. (x + 1)(x + 2)

2. (x - 2)(x + 1)

3. (x - 2)(x + 3)

4. (a - 3)(a + 4)

5. (a - 7)(a + 5)

6. (b + 4)²

7. (b - 1)(b + 8)

8. (y - 3)(y + 2)

9. (x - 9)(x + 5)

10. (y - 5)(y - 3)

Step-by-step explanation:

Consider the form: x² + bx + c.

Find a pair of integers whose product is c and whose sum is b.

good luck, i hope this helps :)