x2
x
=0
-12x2+22x
-12x2+22x-10=0
-12x2+22x-8=0
-12x2+22x-6=0
-12x2+22x+4=0
-12x2+22x+14=0
-12x2+22x+20=0
-10
-8
-6
4
14
20