Factor and solve -1x^2 + 0x + 64 = 0

-1x^2 + 0x + 64 = 0

-1(x^2-64)=0

-1(x )(x ) ( -8)( +8)=0

-1(x-8) (x+8) = 0

Solve:

-1(x-8)=0

-1(x) (-1)(-8)=0

-1x+8=0

-1x+8-8=0-8

-1x=-8

-1x/-1=-8/-1

x=8

Solve:

-1(x+8) = 0

-1(x) (-1)(+8) = 0

-1x-8=0

-1x-8+8=0+8

-1x=8

-1x/-1=8/-1

x=-8