1)(2x+3)(x-1)<0
2x+3*x-1= 2x*x=3-1= 2x=2; x=1; x>0
2)4x-2x*x+1=2x=x+1; 2x=1; x=2;
3)3x-2*x+3=3x-2x+3; x=3
1)(2x+3)(x-1)<0
2x+3*x-1= 2x*x=3-1= 2x=2; x=1; x>0
2)4x-2x*x+1=2x=x+1; 2x=1; x=2;
3)3x-2*x+3=3x-2x+3; x=3