(a + b + c)(a + b - c)​

2 answers
Question:

(a + b + c)(a + b - c)​

Answers

This is how you should do r

Answer:[tex]a^{2} + 2ab + b^{2} - c^{2}[/tex]Step-by-step explanation:    A         B       C A  a^2    ab    -acB  ab     b^2    -bcC   ac    bc     -c^2

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