РЕШИТЕ! 1) 3x²-5x-2=0 2) y+3/y-3=2y+3/y
1) 3x² - 5x - 2 = 0 D = 25 + 4*3*2 = 49 x₁ = (5 - 7)/6 x₁ = - 1/3 x₂ = (5 + 7)/6 x₂ = 2 2) y+ 3/y - 3 = 2y + 3/y y - 2y = 3 -y = 3 y = -3
1)x1=2 x2=-1:3 2) не знаю