1.

Simplify: (a + b + c)(a + b - c)​

Answer» ONG>Answer:

(a+B+c)(a+b−c)

=a

2

+ab−ac+ab+b

2

−bc+ac+bc−c

2

=a

2

+b

2

+c

2

+ab+ab−ac+ac−bc+bc

=

a

2

+b

2

−c

2

+2AB

Step-by-step EXPLANATION:

hope it will help you


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