Factoring
x2+7x+12=0
x=-3,-4
X2+6x+5=0
x=-1,-5
X2+2x-3=0
x=1,-3
Y=x2-4x+3
x=1,3
X2=25
x=+_5
X2-5x+6=0
x=2,3
X2-8x+7=0
x=1,7
3x2-x-2=0
x=1,-2/3
Y=x2+2x-8
x=-4,2
X2-9=0
x=+_3
X2+3x-10=0
x=-5,2
X2+4x+1=0
x=-2+-√3
Free
+150
Y=x2-2x-15
x=-3,5
2x2=50
x=+_5
2x2+7x+3=0
x=-0.5,-3
X2+10x=24
x=2,-12
2x2+4x+2=0
x=-1
Y=x2+6x+9
x=-3
(X-4)2=36
x=10,-2
X2-9=0
x=3,-3
X2-12x+20=0
x=2,10
Free
+50
Y=X2-5x+6
x=2,3
x2=49
x=+_7