решить уравнение (x²+4x)(x²+4x-17)+60=0

I. Решите неравенство 3-4х<13.

II. Упростите выражение (5х в квадр.)в кубе.

 Put the following sentences Into the Passive Voice. 

1. We shall finish the work not later than on Friday. 2. Somebody has invited her to the party. 3. People laughed at her when she said it. 4.I felt that somebody was watching me. 3. Did they give you alt the necessary books? 6. The teacher explained a new rule to the students. 7. I showed the documents to the officer. 8. the director dictated a telegram to the secretary.

Make up sentences with Complex Object with the Infinitive

1.  speak , I , have , heard , of  his  boyhood , never , him .

2. about something I , quite different, me, you, want, to tell.

3. what, this, her, say, made?

4. without, her; let, my sister, go, a word.