Question

The sum of a + b + ab, - b + c - bc and - c - a + ac is​

Answer 1

Answer:

2c+ab-ac-bc

Step-by-step explanation:

Sum of a−b+ab , b+c−bc and c−a−ac

=(a−b+ab)+(b−c−bc)+(c−a−ac)

=a−b+ab+b+c−bc+c−a−ac

Rearranging and collecting like terms,

=a−a−b+b+c+c+ab−bc−ac

=2c+ab−ac−bc

Answer 2

This is the the answer so see this