Răspuns :
Răspuns:2x - 5 ori x - 3<0
2x la puterea a doua minus 6x minus 5x minus 15
2x la put. a doua-x - 15 <0, =>x <15
Explicație pas cu pas:
|2x-5|×(|x|-3) <0
2x-5 ×(x-3)<0
2x-5x-6x-15<0
-3x+9x<0
6x<0
x<0
x€{-1,-2,-3,-4,..... -28, -29,...}
Răspuns:2x - 5 ori x - 3<0
2x la puterea a doua minus 6x minus 5x minus 15
2x la put. a doua-x - 15 <0, =>x <15
Explicație pas cu pas:
|2x-5|×(|x|-3) <0
2x-5 ×(x-3)<0
2x-5x-6x-15<0
-3x+9x<0
6x<0
x<0
x€{-1,-2,-3,-4,..... -28, -29,...}