ОДЗ: x²-5x+6>0 D=25-24=1 x₁=(5-1)/2=2 x₂=(5+1)/2=3 + - + ------ 2 ----------- 3 ---------- \\\\\\\ \\\\\\\\\\\\ x∈(-∞; 2)U(3; +∞)x² -5x+6 < (1/2)¹x² -5x+6 -0.5 < 0x² -5x +5.5 <0D=25 - 22=3x₁=(5-√3)/2 ≈ 1.63x₂=(5+√3)/2≈ 3.36 + - +------ (5 - √3)/2 -------------- (5+√3)/2 ---------- \\\\\\\\\\\\\\\\\x∈((5-√3)/2; (5+√3)/2)С учетом ОДЗ получаем:x∈((5-√3)/2; 2)U(3; (5+√3)/2)