Question

Date : Sum of a-b+ab,b+c-bc and c-a-ac is. 1
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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

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Answer 2

Step-by-step explanation:

(a-b+ab)+(b+c-bc)+(c-a-ac)

= a-b+ab+b+c-bc+c-a-ac

=ab-bc-ac