Решите уровнения обведенные карандашом прошу
Х/6 +7/3 = 5/6 х +14 = 5 х = -14 +5 х = -9 у : 10/3 = 6*2/5*1 3y/10 = 12/5 15y = 120 y = 120 :15 y = 8 x^2 +3x -2x -6 = 0 x^2 + x -6 =0 D = 1-4(-6) = Y25; D= 5 x1 =(-1+5)/2= 2 x2 =( -1 -5)/2 =-3
1/6х+2 1/3=5/6 1/6х=5/6-2 1/3 1/6х=-9/6 х=-9/6:1/6 х=-9 у:3 1/3=1 1/5:1/2 у:3 1/3=12/5 у=12/5 •10/3 у=8 (х-2)(х+3)=0 х-2=0 х+3=0 х=2 х=-3