1)Х2-8х+7 2)х2-11х+30 3)х2-8х+15

Question

1)Х2-8х+7 2)х2-11х+30 3)х2-8х+15

Answer 1

1)2x-8x+7
Ответ:-6x+7
2)2x-11x+30
Ответ:-9x+30
3)2x-8x+15
Ответ:-6x+15