Question

Add the following a-b+a6, 6-C + 6C, C-a+ac​

Answer 1

Answer:

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