Question

1. If a +b+c= 0 then (a + b)(b + c)(c + a) =?​

Answer 1

Answer:

if a+b+c=0

a+b=-c

b+c=-a

c+a=-b

therefore

(a+b)(b+c)(c+a)

-c x -a x -b

-abc

Step-by-step explanation:

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