12x^2=15x-3 помогите

Question

12x^2=15x-3
помогите

Answer 1

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

Answer 2

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