Home
О нас
Products
Services
Регистрация
Войти
Поиск
orxan2101
@orxan2101
March 2022
2
12
Report
Помогите прошу вас. Нужно срочно.
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
pryanich
5t^2+20t-(t+4)=0
5t^2+20t-t-4=0
5t^2+19t-4=0
D=19^2-4*5*(-4)=361+80=441
t1=(-19-21)/5*2 = -40/10 = -4
t2=(-19+21)/5*2= 2/10 = 1/5
2 votes
Thanks 1
nastenasakharo1
5t²+20t-(t+4)=0
5t²+20t-t-4=0
5t²+19t-4=0
D=19²-4×5×(-4)=361+80=441=21²
-19+21 2
t₁= ₋₋₋₋₋₋₋₋= - ₋₋--- = -.0,2
2*5 10
-19-21 40
t₂= ---------- = - ----- = -4
2*5 10
Ответ: -0,2; -4
0 votes
Thanks 0
×
Report "Помогите прошу вас. Нужно срочно..."
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
5t^2+20t-t-4=0
5t^2+19t-4=0
D=19^2-4*5*(-4)=361+80=441
t1=(-19-21)/5*2 = -40/10 = -4
t2=(-19+21)/5*2= 2/10 = 1/5
5t²+20t-t-4=0
5t²+19t-4=0
D=19²-4×5×(-4)=361+80=441=21²
-19+21 2
t₁= ₋₋₋₋₋₋₋₋= - ₋₋--- = -.0,2
2*5 10
-19-21 40
t₂= ---------- = - ----- = -4
2*5 10
Ответ: -0,2; -4