asadurrahman201025 asadurrahman201025

30-12-2023
Mathematics

contestada

[ a + b + c ] [ a + b - c ]

Respuesta :

HuzaifaFaheem HuzaifaFaheem

30-12-2023

Answer:

a² + b² - c² + 2ab

Step-by-step explanation:

[a + b + c] [a + b - c]

= a² + ab - ac + ab + b² - bc + ac + bc - c²

= a² + b² - c² + 2ab

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