дробь 3х+2/4 + 2x-5/3= -1 решите пожалуйста

разложите на множители: с во второй-16с

ask general questions.Use Mr Help`s magic table.

1/We have just finished dinner.

2.I haven*t done my homework yet because yesterday I was tired.

3.He has already eaten five apples.

4.Somebody has closed the door.

5. They haven*t bought any fruit yet,because the shops are closed.

помогите и обисните как ришать примеры с обиснением

Примеры;

351*18   7080*43    50690*16  801*41

Помогите решить пример 

 log0.11 x2/x2+1 меньше 0