Question

Ex 2 vă rog mult 55 puncte plus coroana​

Answer 1

(x+3)(y-1)=5

Varianta 1:

x+3=1

x=-2

y-1=5

y=6

Varianta 2:

x+3=5

x=2

y-1=1

y=2

Varianta 3:

x+3=-1

x=-4

y-1=-5

y=-4

Varianta 4:

x+3=-5

x=-8

y-1=-1

y=0