Question

Aflati doua numere avint suma si produsul: S=23 si P=7

Answer 1

a+b=23=>a=23-b
a•b=7
23-b•b=7
23- b la puterea a doua =7
b la puterea 2= 23-7
b la puterea 2= 16
=> b= 4
a=23-4
a= 19