a-b+ab,b-c+bc,c-a+ac add this
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12
Answer:
a-b+ab+b-c+bc+c-a+ac
=a-a+ab+b+bc+c-c+ac
=-a+ab+b+bc-c+ac
=-a+b-c+ab+bc+ac
Answered by
8
Answer:
ab+bc+ac
Step-by-step explanation:
a-b+ab+b-c+bc+c-a+ac
=a-a-b+b-c+c+ab+bc+ac
=ab+bc+ac
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