Question

найдите сумму и произведение корней уравнения 2 1) X - 6x + 8 = 0 ; 2 3) x + 2x – 3 = 0 ; 2 5) x - 6x+5 = 0 ;

Answer 1

21) x - 6x + 8 = 0;

x1+x2=6, x1*x2=8,

23) x + 2x – 3 = 0;

x1+x2=-2, x1*x2=-3,

25) x - 6x+5 = 0;

x1+x2=6, x1*x2=5.