(x^2 -74) / (x-8)=

(x^2 -74) / (x-8)=x+8 R.-10

(x-8)(x+8)

(x)(x) (x)(+8) (-8)(x) (-8)(8)

x^2 +8x -8x -64

x^2-64=-(x^2-64)=-x^2+64

x^2 -74

-x^2+64

-10