Home
О нас
Products
Services
Регистрация
Войти
Поиск
marinakurochki1
@marinakurochki1
July 2022
1
0
Report
Решите уравнение. 3x^2-2x-5=0
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
alexooooon
Verified answer
3x^2 - 2x - 5 = 0;
D = b^2 - 4ac;
D = -2^2 - 4 * 3 * (-5);
D = 4 - -60 = 64;
D > 0, два корня!
x1,2 = (-b ± √D)/2a;
x1:x = (2 + 8)/2*3;
x = 10/6; |:2
x = 1*(2/3);
x2:x = (2 - 8)/2*3;
x = -(6/6); |:6
x = -1;
Ответ: 1*(2/3); -1.
1 votes
Thanks 6
More Questions From This User
See All
marinakurochki1
August 2022 | 0 Ответы
reshite uravnenie 4 3x225
Answer
marinakurochki1
July 2022 | 0 Ответы
odin iz kornej uravneniya 3x2bx40 raven 1 a vtoroj koren sovpadaet s kornem
Answer
marinakurochki1
July 2022 | 0 Ответы
dano uravnenie x2 ax xa0 a1 najdite summu kvadratov kornej etogo uravneni
Answer
marinakurochki1
October 2021 | 0 Ответы
rastitelnyj i zhivotnyj mir zapadnoj sibiri
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 "Решите уравнение. 3x^2-2x-5=0..."
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 © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
3x^2 - 2x - 5 = 0;D = b^2 - 4ac;
D = -2^2 - 4 * 3 * (-5);
D = 4 - -60 = 64;
D > 0, два корня!
x1,2 = (-b ± √D)/2a;
x1:x = (2 + 8)/2*3;
x = 10/6; |:2
x = 1*(2/3);
x2:x = (2 - 8)/2*3;
x = -(6/6); |:6
x = -1;
Ответ: 1*(2/3); -1.