giải phương trình sau:

\(9x^2-1+\left(3x-1\right)\left(x+2\right)=0\)

reported speech:

1.I will have a birthday party at my house toinght.

Lan said ..............................................................

(thx)

SỬA CHỮA CÂU PHÙ HỢP SỬ DỤNG CÔNG VIỆC LÀM VIỆC. (SIMPLE PAST HOẶC HOÀN HẢO HIỆN TẠI)

1.It's months since i saw my cousins. (for)
2.I haven't spoken to sally for a week.(last)
3.it is a month since i saw tom.(seen)
4.I haven't enjoyed myself so much for years.(years)
5.He began working in this offica, two years ago.(been)

REPHRASE THE SENTENCES USING THE WORD GIVEN. ( SIMPLE PAST OR PRESENT PERFECT)
1.It's months since i saw my cousins. (for)
2.I haven't spoken to sally for a week.(last)
3.it is a month since i saw tom.(seen)
4.I haven't enjoyed myself so much for years.(years)
5.He began working in this offica, two years ago.(been)

.Find out corect one mistake in A,B,C or D of each sentece and then correct

1. He \(\frac{slept}{A}\) in \(\frac{\text{his}}{B}\) room \(\frac{\text{when}}{C\text{ }}\) the \(\frac{\text{fire alarm}}{D}\) rang.

2.\(\frac{\text{Shall}}{A}\) you \(\frac{\text{close}}{B}\text{ }\) the window \(\frac{\text{for}}{C}\) me, \(\frac{\text{please}}{D}\)?

3. He \(\frac{\text{gets up}}{A}\) early \(\frac{\text{in}}{B}\) order to \(\frac{\text{reviewing}}{C}\) lessons \(\frac{\text{before school}}{D}\).

4.\(\frac{\text{ The}}{A}\) ambulance \(\frac{\text{will}}{B}\) be there \(\frac{\text{for}}{C}\) about ten \(\frac{\text{ minutes}}{D}\).

5. \(\frac{\text{I've}}{A}\) been \(\frac{\text{leaning}}{B}\) English \(\frac{\text{since}}{C}\) 4 \(\frac{\text{years}}{D}\).

(nêu cho mik bít cách lm bài này vs nhé)