(2x-3)(4x-1)=
(2x-3)(4x-1)= 8x2-14x+3
(2x-3)(4x-1)
упрощаем:
8х^2-14х+3=0
D=(-14)^2-4*8*3=100=10
х½=х₁=1/4, х₂=3/2