Home
О нас
Products
Services
Регистрация
Войти
Поиск
SaY356
@SaY356
August 2022
1
7
Report
(х^2-6х)^2+6(х^2-6х)+9=81.
Помогите с примером
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms of service
You must agree before submitting.
Send
Answers & Comments
285696
Так:
(x^2-6x)^2+2(x^2-6x+9)=81
Замена x^2-6x=y
y^2+2(y+9)-81=0
y^2+2y-63=0
y1=7; y2=-9
Обратная замена:
1) x^2-6x=7
x^2-6x-7=0; x=-1; x=7;
2) x^2-6x=9
x^2-6x+9=0; (x-3)^2=0; x=3.
Ответ: х=-1; х=3; х=7.
вроде так
1 votes
Thanks 1
More Questions From This User
See All
SaY356
August 2022 | 0 Ответы
najti koren v slove intonaciya
Answer
SaY356
July 2022 | 0 Ответы
pochemu berillij i magnij ne yavlyayutsya shelochnozemelnymi metallami
Answer
SaY356
July 2022 | 0 Ответы
pochemu berillij i magnij ne otnosyatsya k shelochnozemelnym metallam3659c1cda472dab0b1012f9a4383eb96 17336
Answer
SaY356
July 2022 | 0 Ответы
najti vernoe utverzhdenie esli agtb 1 a blt 3 2 b agt1 3 b alt2 4 ve
Answer
SaY356
July 2022 | 0 Ответы
h2 6h26h2 6h981 pomogite s primerom
Answer
SaY356
July 2022 | 0 Ответы
kakie korni v slovah obstavit i obstanovka
Answer
SaY356
December 2021 | 0 Ответы
hh10 pomogite s primerom
Answer
рекомендуемые вопросы
rarrrrrrrr
August 2022 | 0 Ответы
o chem dolzhny pozabotitsya v pervuyu ochered vzroslye pri organizacionnom vyvoze n
danilarsentev
August 2022 | 0 Ответы
est dva stanka na kotoryh vypuskayut odinakovye zapchasti odin proizvodit a zapcha
myachina8
August 2022 | 0 Ответы
najti po grafiku otnoshenie v3v1 v otvetah napisano 9 no nuzhno reshenie
ydpmn7cn6w
August 2022 | 0 Ответы
Choose the correct preposition: 1.I am fond (out,of,from) literature. 2.where ar...
millermilena658
August 2022 | 0 Ответы
opredelite kak sozdavalas i kto sozdaval arabskoe gosudarstvo v kracii
MrZooM222
August 2022 | 0 Ответы
ch ajtmanov v rasskaze krasnoe yabloko ispolzuet metod rasskaz v rasskaze opi
timobila47
August 2022 | 0 Ответы
kakovo bylo naznachenie kazhdoj iz chastej vizantijskogo hrama pomogite pozhalujsta
ivanyyaremkiv
August 2022 | 0 Ответы
moment. 6....
pozhalujsta8b98a56c0152a07b8f4cbcd89aa2f01e 97513
sarvinozwakirjanova
August 2022 | 0 Ответы
pomogite pozhalusto pzha519d7eb8246a08ab0df06cc59e9dedb 6631
×
Report "(х^2-6х)^2+6(х^2-6х)+9=81. Помогите с примером..."
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
О нас
Политика конфиденциальности
Правила и условия
Copyright
Контакты
Helpful Social
Get monthly updates
Submit
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
(x^2-6x)^2+2(x^2-6x+9)=81
Замена x^2-6x=y
y^2+2(y+9)-81=0
y^2+2y-63=0
y1=7; y2=-9
Обратная замена:
1) x^2-6x=7
x^2-6x-7=0; x=-1; x=7;
2) x^2-6x=9
x^2-6x+9=0; (x-3)^2=0; x=3.
Ответ: х=-1; х=3; х=7.
вроде так