Home
О нас
Products
Services
Регистрация
Войти
Поиск
anzoamore
@anzoamore
July 2022
2
17
Report
решите систему уравнений а+b=9 / b^2+a=29
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
vanyaavdeev1
а+b=9
b²+a=29
из первого а=9-в
в²+9-в=9
в²-в=0
в(в-1)=0
в₁=0 в₂=1
а₁=9-0=9 а₂=9-1=8
0 votes
Thanks 0
miron2077
Verified answer
B^2+9-b=29
b^2-b-20=0
D=1+4*20=81=9^2
b1=(1+9)/2=5
b2=(1-9)/2=-4
a1=9-5 a1=4
a2=9+4 a2=13
0 votes
Thanks 0
×
Report "b^2+a=29..."
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
b²+a=29
из первого а=9-в
в²+9-в=9
в²-в=0
в(в-1)=0
в₁=0 в₂=1
а₁=9-0=9 а₂=9-1=8
Verified answer
B^2+9-b=29b^2-b-20=0
D=1+4*20=81=9^2
b1=(1+9)/2=5
b2=(1-9)/2=-4
a1=9-5 a1=4
a2=9+4 a2=13