Question

-23х^2-22х+1=0 помогите решить уравнение

Answer 1

$-23x^2-22x+1=0\\ 23x^2+22x-1=0\\ D=484+92=576; sqrt D = 24\\ x_{1/2}= frac{-22pm24}{46}= frac{-11pm12}{23}\\ x_1= frac{1}{23}\\ x_2=-1$