Question

Sum of ab, ( a+b ) and (b +ab ) is _________ a) 2 + 2 + b) 2 + 2 c) 2 + + d) 2 + + 2​

Answer 1

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