-1x^2 - 7x - 6 = 0
-1(x^2+7x+6)=0
-1(x )(x ) ( +1)( +6)=0
-1(x+1) (x+6) = 0
Solve:
-1(x+1) =0
-1(x) (-1)(+1) =0
-1x-1=0
-1x-1+1=0+1
-1x=1
-1x/-1=1/-1
x=-1
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