((х^2+х-5)/х)+6х/(2х^2+2х-10)=-4
≈(x²+x-5)/x+6x/(2x²+2x-10)=-4 ОДЗ: х≠0 2х²+2х-10≠0 D=21 x=-0,5+/-√21 (x²+x-5)/x+3x/(x²+x-5)=-4 (x²+x-5)/x=v v+3/v+4=0 v²+4v+3=0 D=4 √D=2 v₁=-1 v₂=-3 (x²+x-5)/x=-1 x²+2x-5=0 D=24 √D=2√6 x₁=1+√6 x₂=1-√6 (x²+x-5)/x=-3 x²+4x-5=0 D=36 √D=6 x₃=-5 x₄=1.