Factor and solve: -1x^2 + 2x + 15 = 0

-1x^2 + 2x + 15 = 0

-1(x^2-2x-15)=0

-1(x )(x ) ( -5)( +3)=0

-1(x-5) (x+3) = 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+3) = 0

-1(x) (-1)(+3) = 0

-1x-3=0

-1x-3+3=0+3

-1x=3

-1x/-1=3/-1

x=-3