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Evgesh-ka [11]
3 years ago
10

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

Mathematics
1 answer:
DiKsa [7]3 years ago
3 0

(a+2)(b+1)=(a)(b)+(a)(1)+(2)(b)+(2)(1)\\\\=ab+a+2b+2

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