Simplify(a+b+c)(a+b-c)
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Answer:
(a+b+c)(a+b+c)
Step-by-step explanation:
a(a+b+c)+b(a+b+c)+c(a+b+c)
aa+ab+ac+ba+bb+bc+ca+cb+cc
aa+2ab+2ac+bb+cc+2bc
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