Question

18х в квадрате -19x+1=0

Answer 1

$18 x^{2} -19x+1=0 \ D=361-72=289 \ sqrt{D} =17 \ x_{1} = frac{19+17}{36} = frac{36}{36} =1 \ x_{2} = frac{19-17}{36} = frac{2}{36} = frac{1}{18}$