Question

Sum of a-b+ac , b+c -bc and c-a-ac is​

Answer 1

Answer:

option a

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