Question

Va rog urgent dau coroana va rog!!!! ​Urgent dau coroana

Answer 1

Răspuns:

2x+1€ divizorilor lui 5 ={ +1;-1;+5;-5}

2x+1=1. 2x+1=-1

2x=0. 2x=-2

x=0. x=-1

2x+1=5. 2x+1=-5

2x=4 2x=-6

x=2. x=-3

x={-3;-1;0;2}€Z