-1x^2 - 11x - 30 = 0
-1(x^2+11x+30)=0
-1(x )(x ) ( +5)( +6)=0
-1(x+5) (x+6) = 0
Solve:
-1(x+5)=0
-1(x) (-1)(+5)=0
-1x-5=0
-1x-5+5=0=5
-1x=5
-1x/-1=5/-1
x=-5
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