Question

determinati x daca 2x+3 e divizibil cu x+1 va rog ajutati ma !!!!!

Answer 1

x+1|2x+3
x+1|x+3 /*2 => x+1/2x+2 
 scazi relatiile => x+1|1 => x+1 = {1, -1}

x+1=1 => x=0
x+1= -1 => x= -2