-1x^2 + 8x - 12 = 0
-1(x^2-8x+12)=0
-1(x )(x ) ( -6)( -2)=0
-1(x-6) (x-2) = 0
Solve:
-1(x-6)=0
-1(x) (-1)(-6)=0
-1x+6=0
-1x+6-6=0-6
-1x=-6
-1x/-1=-6/-1
x=6
Solve:
-1(x-2) = 0
-1(x) (-1)(-2) = 0
-1x+2=0
-1x+2-2=0-2
-1x=-2
-1x/-1=-2/-1
x=2