Factor and solve -1x^2 + 16x - 63 = 0

-1x^2 + 16x - 63 = 0

-1(x^2-16x+63)=0

-1(x )(x ) ( -9)( -7)=0

-(x-9) (x-7) = 0

Solve:

-1(x-9) =0

-1(x) (-1)(-9) =0

-x+9=0

-x+9-9=0-9

-x=-9

-x/-1=-9/-1

x=9

Solve:

-1 (x-7) = 0

-1 (x) (-1)(-7) = 0

-1x+7=0

-1x+7-7=0-7

-x=-7

-x/-1=-7/-1

x=7