Đáp án:
xin hay nhất
Giải thích các bước giải:
2x^2-x-3=2x^2+9x-5=>-x-3=9x-5=>10x-2=0=>x=1/5
Bạn tham khảo nhé
Choose the best answer.
We are looking for ____ place to spend ____ night.
Please turn off ___ lights when you leave ___ room.
I like _____ colorful costumes of ____ ethnic minority people in Vietnam.