x2
x
=0
-10x2-17x
-10x2-17x-7=0
-10x2-17x-6=0
-10x2-17x-3=0
-10x2-17x+6=0
-10x2-17x+11=0
-10x2-17x+20=0
-7
-6
-3
6
11
20