Question

Sa se rezolve in Z ecuatia : (x-1)*(y-2)=6

Answer 1

(x-1)(y-2)=2.3=1.6=6(.,inmultire)
atunci
atunci cand consideram ca 6=2.3
x-1=2 ⇒x=3
y-2=3 ⇒y=5

x-1=3 ⇒x=4
y-2=2 ⇒y=4

 
atunci cand consideram ca 6=1.6
x-1=1 ⇒x=2
y-2=6⇒y=8

x-1=6 ⇒x=7
y-2=1 ⇒y=3