Choose the best option to complete each sentence.

There will be _________ places for children to play.

A. more

B. less

C. much

Rút gọn  P = 2 x x + 3 + x x - 3 - 3 x + 3 x - 3 : 2 x - 2 x - 3 - 1 với a > 0 ta được.

A.  P = 3 x + 3

B.  P = - 3 x + 3

C. P = - 3 x - 3

D. P = 3 x - 3