(x+6)²+5(x+6)-24=0
x²+12x+36+5x+30-24=0
x²+17x+42=0
D=289-4*42=121
x1=(-17-11)/2=-14
x2=(-17+11)/2=-3
(x+6)²+5(x+6)-24=0
x²+12x+36+5x+30-24=0
x²+17x+42=0
D=289-4*42=121
x1=(-17-11)/2=-14
x2=(-17+11)/2=-3
x2 + 17x +42 = 0
x = (-17 +- 11)/2
x= -3
И
x= -14