x2
x
=0
-2x2-3x
-2x2-3x-1=0
-2x2-3x+2=0
-2x2-3x+5=0
-2x2-3x+9=0
-2x2-3x+14=0
-2x2-3x+20=0
-
2
5
9
14
20