Home
О нас
Products
Services
Регистрация
Войти
Поиск
darisae
@darisae
August 2021
1
8
Report
(2x+7)(x-2)-(x+4)(x-5)[tex] \leq [/tex]18
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
zhenyaM2002
Verified answer
(2х+7)(х-2) -(х+4)(х-5) ≤18
2х²-4х+7х-14 - х²+5х-4х+20≤18
х² +4х+6 -18 ≤0
х²+4х-12 ≤0
х²+4х-12=0
D= 16 +48=64 ⇒√D=8
D>0 - два корня уравнения
х₁ = (-4-8)/2= -12/2=-6
х₂= (-4+8)/2=4/2=2
-6≤х≤2
Ответ: x∈ [-6; 2]
1 votes
Thanks 1
More Questions From This User
See All
darisae
August 2022 | 0 Ответы
skolko trehznachnyh chisel soderzhit v sebe chislo 2 ili 3
Answer
darisae
July 2022 | 0 Ответы
zapishite uravnenie reakcij za takimi shemami 1 li li koefficienty podberite
Answer
darisae
July 2022 | 0 Ответы
2...
Answer
darisae
July 2022 | 0 Ответы
zaproponuite sistemu zahodiv yaki zroblyat zahist navkolishnogo se redovisha ek
Answer
darisae
July 2022 | 0 Ответы
x2 8x7 najti oblast opredeleniya funkcii
Answer
darisae
July 2022 | 0 Ответы
3cosx7sinx 50 pomogite pozhalujsta
Answer
darisae
November 2021 | 0 Ответы
chdf83ca77cc53219a5a010650789cb1c9 35664
Answer
darisae
October 2021 | 0 Ответы
x22xx22x812
Answer
darisae
September 2021 | 0 Ответы
sostavte uravneniya reakcij s pomoshyu kotoryh mozhno osushestvit prevrasheniya ka
Answer
darisae
September 2021 | 0 Ответы
ustanovite sootvetstvie mezhdu reagentami i produktami reakcij a ch3cooh cuo
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 "tex]18..."
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
Verified answer
(2х+7)(х-2) -(х+4)(х-5) ≤182х²-4х+7х-14 - х²+5х-4х+20≤18
х² +4х+6 -18 ≤0
х²+4х-12 ≤0
х²+4х-12=0
D= 16 +48=64 ⇒√D=8
D>0 - два корня уравнения
х₁ = (-4-8)/2= -12/2=-6
х₂= (-4+8)/2=4/2=2
-6≤х≤2
Ответ: x∈ [-6; 2]