Question

x в квадрате-5x-24=0​

Answer 1

$d = { - 5}^{2} - 4 times 1 times ( - 24) = 121$

$x1 = frac{5 + sqrt{121} }{2 times 1} = 8$

$x2 : = frac{5 - sqrt{121} }{2 times 1} = - 3$