Question

упрости:
1) (3а+ 5а- 2) + (3а- 8)
2) (8х- 4х- 1) - (3х( во второй степени) + 3х - 7)

Answer 1

1)а*(3+5-2)+(3а-8)=6а+3а-8=9а-8
2)4х-1-3х^2-3х+7=х+6-3х^2