x2
x
=0
-10x2-13x
-10x2-13x-4=0
-10x2-13x-3=0
-10x2-13x+3=0
-10x2-13x+9=0
-10x2-13x+14=0
-10x2-13x+23=0
-4
-3
3
9
14
23