Question

Сократите дробь 2x²-5x+2/x-2

Answer 1

D=25-16=9
x1=2
x2=1/2
$\frac{2(x-2)(x-1/2)}{x-2} =2x-1$

Answer 2

D= (-5)^2-4*2*2=25-16=9
Х1=-(-5)-корень из 9/2*2=5-3/4=1/2
Х2=5+3/4=8/4=2
(х-1/2)(х-2)

(х-1/2)(х-2)/х-2=х-1/2