1/4х²+1/2х=1/6х²+9/4
1/4х²-1/6х²+1/2х-9/4=0
3/12х²- 2/12х²+1/2х-9/4=0
1/12х²+1/2х-9/4=0 /*12
х²+6х-27=0
Д=36+104=144
х₁=-6-12/2=-9
х₂=-6+12/2=3
1/4х²+1/2х=1/6х²+9/4
1/4х²-1/6х²+1/2х-9/4=0
3/12х²- 2/12х²+1/2х-9/4=0
1/12х²+1/2х-9/4=0 /*12
х²+6х-27=0
Д=36+104=144
х₁=-6-12/2=-9
х₂=-6+12/2=3