Two functions are shown. ƒ(x)=x3−4x+2
g(x)=(x−2)2

Which expression is equal to ƒ(x)−g(x)?

A
x3−x2−2

B
x3−x2−8x−2

C
x3−x2−8x+6

D
x3+x2−8x+6

(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.