ПОМОГИТЕ РЕШИТЬ!!!! 652(а)

Question

ПОМОГИТЕ РЕШИТЬ!!!!
652(а)

---

Answer 1

Х(5х-3)=3(2х-4/3)
5х²-3х=6х-4    (3*4/3=4)
5х²-3х-6х+4=0
5х²-9х+4=0
Д=9²-4*4*5=1
х1=(9-1)/2*5=8/10=4/5
х2=(9+1)/2*5=1

Answer 2

5х^2-3х=3(2х-4/3)
5х^2-3х=6х-4
5х^2-3х-6х+4=0
5х^2-9х+4=0
д=81-4×4×5=1
х1=(9-1)/2×5=4/5=0.8
х2=(9+1)/2×5=1