-х2-6х+7=0
Х2+6х-7=0
Х2+7х-х-7=0
Х(х+7)-(х+7)=0
(Х+7)(х-1)=0
Х+7=0; Х-1=0;
Х=-7; Х=1
Ответ:-7;1.
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
-х2-6х+7=0
Х2+6х-7=0
Х2+7х-х-7=0
Х(х+7)-(х+7)=0
(Х+7)(х-1)=0
Х+7=0; Х-1=0;
Х=-7; Х=1
Ответ:-7;1.