Question

найдите корни уравнения х^+6=5х

Answer 1

x^2 - 5x + 6 = 0 
D = 25 - 4*6 = 25 - 24 = 1 
x1 = ( 5 + 1)/2 = 6/2 = 3;
x2 = ( 5 - 1)/2 = 4/2 = 2 ;