Question

11 x^2-2x-13=0 квадратный трехчлен

Answer 1

D = b²-4ac = 4 - 4*11*(-13) = 4+572 = 576 = 24²
$x_{1} = frac{2+24}{22} x_{2} = frac{2-24}{22}$
$x_{1} = frac{13}{11} x_{2} = -1$