12x^2=15x-3
помогите

12x^2 - 15x + 3 = 0 D = 225 - 144 = 81 = 9^2x1 = (15 + 9)/24 = 24/24 = 1x2 = (15 - 9)/24 = 6/24 = 1/4 = 0,25

12x^2=15x-312x^2-15x+3=0D=b^2-4ac=225-144=81x1=(15+9)/24=1x2=(15-9)/24=1/4