Question

4a - 7ab +3b + 12 from 12a - 9ab + 5b + 3​

Answer 1

Answer:

12a-9a+5b+3-4a+7ab-3b-12

-a+2b+7ab-9

Answer 2

Answer:

8a - 2ab + 2b - 9

Step-by-step explanation:

4a - 7ab +3b + 12 from 12a - 9ab + 5b + 3

(12a - 9ab + 5b + 3) - (4a - 7ab + 3b + 12)

12a - 9ab + 5b +3 - 4a + 7ab - 3b - 12

(12a - 4a) + (7ab - 9ab) + (5b - 3b) + (3 - 12)

(8a) + (-2ab) + (2b) + (-9)

8a - 2ab + 2b - 9