(a+b+c) (b+c+a) (c+a-b) (a+b-c)
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Answered by
0
Step-by-step explanation:
(a+b+c)(b+c+a)=ab+ac+bc+ab+bc+ac+a²+b²+c²
(c+a-b)(a+b-c)=ac+ab+ab-ac-ab+bc+a²-b²-c2
=a²-b²-c²+ab+bc
Final answer=[(ab+ac+bc+ab+bc+ac+a²+b²+c²)(a²-b²-c²+ab+bc)]
Answered by
5
Step-by-step explanation:
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