Question

5-х²+5х-6=0
помогите решить

Answer 1

$- x^{2} + 5x - 1 = 0 \ x12 = frac{ - 5 + - sqrt{ {5}^{2} - 4 times ( - 1) times ( - 1) } }{2 times ( - 1)} \ x = - frac{ - 5 + sqrt{21} }{2} \ x = - frac{ - 5 - sqrt{21} }{2}$