Simplify:- -(a-b) (a+b) + (b-c) (b+c)+(c-a) (c+a)
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Answer:
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
Step-by-step explanation:
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