Question

-х^2+6х-5<0 решение плиз

Answer 1

-х^2+6х-5<0   /-1
x^2-6x+5<0
D=-6^2-4*5=36-20=16

x1<6+4/2=10/2=5
x2<6-4/2=2/2=1

x1<5   x2<`1