If c times x is equal to 4 x minus 2 and d times x is equal to x squared plus 5 x , what is open paren c circ d close paren times x ?
A
4 x squared plus 20 x minus 2B
4 x cubed plus 18 x squared minus 10 xC
x squared plus 9 x minus 2D
16 x squared plus 4 x minus 6