(a+b+ab )+(-b+c-bc)+(-c-a+ac)
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1
Step-by-step explanation:
To add:
a−b+ab, b−c+bc, c−a+ac
a−b+b−c+c−a +ab+bc+ac
=0+ab+bc+ac
=ab+bc+ac
Answered by
1
Answer:
hope it helps
Step-by-step explanation:
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