Respuesta :

lian22

Answer:

a^2+2ab+b^2-c^2

Step-by-step explanation:

(a+b)^2-c^2

a^2+2ab+b^2-c^2

Answer:

[tex]( {a}^{2} + ab \: - ac) + (ab \: + {b }^{2} - bc) + (ac \: + cb \: - {c}^{2} ) = 2ab \: + {a}^{2} + {b}^{2} - {c }^{2} [/tex]

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