Question

Rezolvati in Z ecuatia
(x+5)(y-1)= -14​

Answer 1

Răspuns:

x+5=7 =>x=2

y-1=(-2) =>y=(-1)

Sau

x+5=(-2) =>x=(-7)

y-1=7 =>y=8

Sau

x+5=(-7) =>x=(-12)

y-1=2 =>y=3

Sau

x+5=(-2) =>x=(-7)

y-1=7 =>y=8