Решите уравнение:(у+3)(у-3)-(2у-1)^2=4у-3у^2-10.Помогите пожалуйста,я сколько не решаю не могу..((

произхождения слова гигантский

Complete the sentences

1. What do you usually take ... your headache?

2. Wait a second. I want to write ... two or three prescriptions for you.

3. Whats the matter?-Im afraid Im coming down ... a cold.

4. I hope this medicine will be able to bring ... your temperature.

5. What do doctors usually prescribe ... earache?

6. Cough sweets can cure you ... a painfully sore throat.

7. Whats this prescription ...? -  My painful coughing.

8. I have a bad pain ... my chest. What shall I do.

Нужны изомеры С10 Н22 и их названия.Срочно