(5х+7)*(х-9)=0
5х+7=0
5х=-7
Х=-7/5
Х=-1цел 2/5
Х-9=0
Х=9
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
5х=-7
х=-7/5=-1.4
Или
х-9=0
х=9
Ответ: - 1,4; 9
(5х+7)*(х-9)=0
5х+7=0
5х=-7
Х=-7/5
Х=-1цел 2/5
Х-9=0
Х=9