Factor and solve -1x^2 + 8x - 15 = 0

-1x^2 + 8x - 15 = 0

-1(x^2-8x+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