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