Question

2(х+2)-5(2-х)-(5+2)х-1

Answer 1

2(х+2)-5(2-х)-(5+2)х-1=2x+4-10+5x-7x-1=0+4-10-1=-7

Answer 2

Ответ:

можно лучшим?¿?¿??¿???