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Rezolvati inN (x-3)(y+1)=6

Răspuns :

(x-3)(y+1)=6

1)

(x-3)(y+1)=2*3

x-3=2 si y+1=3, x=5, y=2

sau:

x-3=3 si y+1=2, x=6 si y=1

2)

(x-3)(y+1)=6

(x-3)(y+1)=1*6

x-3=1 si y+1=6, x=4 si y=5

sau:

x-3=6 si y+1=1, x=9 si y=0

 

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