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Gasiti numerele naturale x si y asfel incat :A) (x+1)*(y-2) egal 12

B) xy + x+y egal 14

Răspuns :

Dorunewlife
(2+1)*(6-2)=12
2*5+2+2=14
Renatemambouko
a)
(x+1)(y-2)=12
12=3x4
x+1=3
x=2
y-2=4
y=6
verificare
(2+1)(6-2)=3x4=12

b)
xy+x+y=14
x=2
y=4
2x4+2+4=14

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