Question

Решите уравнение x^2-17х=322

Answer 1

$x {}^{2} - 17x = 322 \ x {}^{2} - 17x - 322 = 0 \ d = 17 { }^{2} + 4 times 322 = 289 + 1288 = 1577 \ x1 = frac{17 - sqrt{1577} }{2} \ x2 = frac{17 + sqrt{1577} }{2}$