Question

Aflati x,y apartin multimii de numere intregi care verifica ecuatia (x-2)(y-3)=39 si care este suma minima

Answer 1

39 = 3 × 13 ( nu se descompune altfel)
Primul caz: x - 2 = 3, x = 5
y - 3 = 13, y = 16

x - 2 = 13, x = 15
y - 3 = 3, y = 6

x - 2 = -3, x = -1
y - 3 = - 13, y = -10

x - 2 = - 13, x = -11
y - 3 = -3, y = 0