Question

find the Sum of a+b+ab,-b+c-bc,-c-a+ac
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Answer 1

Answer

−b+ab, b−c+bc, c−a+ac

a−b+b−c+c−a +ab+bc+ac

=0+ab+bc+ac

=ab+bc+ac

Step-by-step explanation:

hope it will be the correct answer

Answer 2

Answer:

ab-bc+ac

Step-by-step explanation:

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

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

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

= ab-bc+ac

HOPE IT HELPS YOU