Ответы на вопрос:
1) = -5(х +0,2)(х - 1)d= 16 - 4(-5) = 36 х1 = (-4+6) / (-10) = -0,2 х2 = (-4 - 6) / (-10) = 12) = -21(х + 2/7)(х - 2/6) = - 3*7(х + 2/7)(х - 2/6) = = - (7х + 2)(3х - 1) d= 1 - 4(-21)*2 = 169 √d= √ 169 = 13 х1 = (-1+ 13 ) / (-42) = - 12/42 = - 2/7х2 = (-1-13 ) / (-42) = 14/42 = 2/63) = -12(х - 1/3)(х - 1/4) = - (3х - 1)(4х - 1) d= 49 - 4(-) = 49 - 48 = 1 х1 = (-7+1) / (-24) = 6/24 = 1/4х2 = (-7-1) / (-24) = 8/24 = 1/34) = 27(х - 1/3)(х + 1/9) = 3*9*(х - 1/3)(х + 1/9) = = (3х - 1)(9х + 1) d= 36 - 4*27*(-1) = 36 + 108 = 144 х1 = (6+12) / 54 = 18/54 = 1/3х2 = (6-12) / 54 = -6/54 = - 1/9
Популярно: Алгебра
-
Rushana1429.05.2021 16:06
-
haroldyush18.08.2022 21:53
-
penguin251719.11.2022 09:49
-
EinLegoMan25.11.2020 11:04
-
00Alcatraz0014.02.2020 03:43
-
koksenenko1011.05.2023 07:35
-
sasha2211407.08.2020 17:07
-
Razzey14.02.2023 18:30
-
банан000816.02.2022 12:20
-
дитма18.07.2021 22:51