People say that Mr Goldman gave nearly a million pounds to charity last year.

A. Mr Goldman is said to have given nearly a million pounds to charity last year.

B. Nearly a million pounds is said to be given to charity by Mr Goldman.

C. Mr Goldman was said to have given nearly a million pounds to charity last year.

D. Nearly a million pounds was said to have been given to charity by Mr Goldman.

Perhaps, the violent was provoked by the fans of the visiting team.

A. It can have been the visiting team’s fans that set off the violence.

B. The fans of the visiting team must have been the people who began the violence.

C. There might have been some violence caused by the visiting team’s fans.

D. The fans of the visiting team sould have brought about the violence.

a( ax + 1) = x(a + 2) + 2  

<=>a²x+a=xa+2x+2

<=>a²x-xa-2x=2-a

<=>x.(a²-a-2)=2-a

<=>x=\(\frac{2-a}{a^2-a-2}=\frac{-\left(a-2\right)}{a^2-2a+a-2}=\frac{-\left(a-2\right)}{a.\left(a-2\right)+\left(a-2\right)}=\frac{-\left(a-2\right)}{\left(a-2\right)\left(a+1\right)}=\frac{-1}{a+1}\)