Решите уравнение(Не теорема Виета)
1)1.3x+0.2=0.7x^2
2)0.09-4x^2=1.6x
3)9x^2+2x-1/3=0
4)0.1x^2-14=-0.4x

1) 1.3x+0.2=0.7x^20.7x^2-1.3x-0.2=0D=1.69+0.56=2.25 √2.25=1.5x1=0,14 x2=22) 0.09-4x^2=1.6x4x^2+1.6x-0.09=0D=4 √4=2x1=-0.45 x2=0.053) 9x^2+2x-1/3=0D=16 √16=4x1=-0.3 x2=0.1