Question

решить уравнение x^2+25x+50=0

Answer 1

$d = {25}^{2} - 4 \times 50 \\ d = 625 - 200 = 425 = {(5 \sqrt{17}) }^{2} \\ x1 = \frac{ - 25 + 5\sqrt{17} }{2} \\ x2 = \frac{ - 25 - 5 \sqrt{17} }{2}$