-0,2x^2+4=0
1/3x^2+1/9=0
(2x-1)^2=1-4x
3-(4x+1)(3-x)=x^2
ПОМОГИТЕ РЕШИТЬ!!!!! Срочно (((((!!!!!!

-0,2 х^2+4=0-0,2х^2= - 4х^2=20х= ±2\|51/3 х^2 +1/9=01/3 х^2 = - 1/9х^2 = - 1/3 - корней нет(2х -1)^2=1-4х4х^2 -4х+1 - 1+4х=04х^2 =0х^2=03- (4х+1)(3- х)=х^23-12х+4х^2 - 3+х - х^2=03х^2 -11х=0х(3х -11)=0х1=03х -11=03х=11х2=3 2/3