Question

Va rog ajutati-ma !
Determinati pe m :

(59+m-3) :m=m

Answer 1

(59+m-3) /m=m /1

(59+m-3) =m×m

(59+m-3) =m²
m²-m-59+3
m²-m-56
Δ=b²-4ac=1-4×(-56)×1=1+224=225
m1=(1+√225)/2
m1=(1+15)/2
m1=16/2
m1=8
m2=(1-15)/2
m2=-14/2
m2= - 7
Solutiile sunt:
deci  m1=8, m2= - 7