lindbergpetranna lindbergpetranna

11-09-2018
Mathematics

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PLEASE HELP! How do you count (a+2) (b+1) ??

Respuesta :

11-09-2018

[tex](a+2)(b+1)=(a)(b)+(a)(1)+(2)(b)+(2)(1)\\\\=ab+a+2b+2[/tex]

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