Question

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

Answer 1

12a-9ab+5b-3 -(4a-7ab +3b+12)
12a-9ab+5b-3-4a+7ab-3b-12
12a-4a-9ab+7ab+ 5b-3b-3-12
8a-2ab+2b-15

Answer 2

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

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

group like terms

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

8a-2ab+2b-15

Step-by-step explanation: