-1x^2 - 2x + 48 = 0
-1(x^2+2x-48)=0
-1(x )(x ) ( -6)( +8)=0
-1(x-6) (x+8) = 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+8) = 0
-1(x) (-1)(+8) = 0
-1x-8=0
-1x-8+8=0+8
-1x=8
-1x/-1=8/-1
x=-8