Question

25 БАЛЛОВ
ХЕЕЕЛП
2 номер, буква в)

Answer 1

d²-3d+2=d²-d-2d+2=d(d-1)-2(d-1)=(d-1)(d-2)

Answer 2

task/28351136
--------------------
d² -3d+2 = d² -2d*(3/2) +(3/2)² - (3/2)² + 2 =(d -3/2)² - (1/2)² =
(d -3/2 -1/2)(d -3/2+1/2) = (d -2)(d -1) . 
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
d² -3d+2 = d² - (2+1)d+2 =d² - 2d - d+2 =d(d - 2) -(d -2) =(d-2)(d-1). 
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2d² -7d +3 =...