Question

efetue 2.(x+1)-5.(x-2)<0

Answer 1

2*(x+1)-5*(x-2)<0
2x+2-5x+10<0
2x-5x<-2-10
-3x< -12
-x< -12/3
-x< -4    x(-1)
x>4

Answer 2

2.(x+1)-5.(x-2)<0
2x + 2 - 5x + 10 < 0
2x - 5x < -10 - 2
- 3x < - 12 ×(-1)
3/3x > 12/3
x > 4