2*(10x-10)к квадрату-11(10x-10)+12=0
(10x-10)*(2(10x-10)-3)-4(2(10x-10)-3)=0
(2(10x-10)-3)*(10x-10-4)=0
(20x-20-3)*(10x-14)=0
(20x-23)*2(5x-7)=0
(20x-23)*(5x-7)=0
20x-23=0
5x-7=0
x1=23/20
x2=7/5
