Tìm x:
a, y^2+4x+3=0
b, x^2+6x+5=0
c, x^2+4x+y^2+2y+5=0
Gíup với ah. Mik đang cần gấp:((
1. Someone will take your friend to the airport
=> Your friend_____________________
2. Someone has to write the history of our compony
=> The history_____________________
3. They are interview her boyfriend now
=> Her boy friend__________________
4. They have sold their houses to pay their debts
=> Their houses____________________
5. Gold was discovered in California in 1848
=> They____________________________
6. Candles can be used for light
=> People__________________________
7. Someone was cleaning the windows when I came
=> The windows___________________
8. The windows far just been blaken
=> Children________________________
9. A new school will be built here next year
=> People__________________________
10. They are playing her a lot of money to do that job
=> She_____________________________
c. bò vàng