Question

3ab+b-a-(a-b+ ab) + 3a-2b-ab​

Answer 1

Answer:

4

Step-by-step explanation:

3ab+b-a(a-b+ab) + 3a-2b-ab

Step 1

Remove the bracket (When you open a bracket all the signs change)

ex: + to -

3ab+b-a-a+b-ab+3a-2b-ab

Step 2

Group the like terms

3ab - ab - ab    +    b + b - 2b    -    a - a + 3a

Step 3

Group the coefficients

3 - 1 - 1    +    1 + 1  - 2    -    1 - 1 + 3

Step 4

Add the coefficients

1 + 0 + 3 = 4

Answer 2

Answer:

hope it helps you plz mark me brainliest