1)11-8x≤6-9x
11-8x-6+9x≤0
5+x≤0
x≤-5
2) 14x-10≤13x-7
14x-10-13x+7≤0
x-3≤0
x≤3
3) x(x+8)>0
x>0 или x+8>0
x>-8
4) x(x+8)<0
x<0 или x+8<0
x<-8
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1)11-8x≤6-9x
11-8x-6+9x≤0
5+x≤0
x≤-5
2) 14x-10≤13x-7
14x-10-13x+7≤0
x-3≤0
x≤3
3) x(x+8)>0
x>0 или x+8>0
x>-8
4) x(x+8)<0
x<0 или x+8<0
x<-8