sum of a - b + ab , b - c + bc , c - a + ac is
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Answer: 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
=ab+ac+bc
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