Question

add using column method. 3a+-2b+c+3and a+3b​

Answer 1

Step-by-step explanation:

3a - 2b + c + 3

a + 3b

_______________

4a+ b + c +3

Answer 2

Answer:

4a+b+c+3

Step-by-step explanation:

={3a+(–2b)+c+3}+(a+3b)

={3a–2b+c+3}+(a+3b)

=3a–2b+c+3+a+3b

=4a+b+c+3