Question

решить уравнение x^2+25x+50=0

Answer 1

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