If p times x is equal to 2 x squared minus 4 x and q times x is equal to x minus 3 , what is open paren p circ q close paren times x ?
A
2 x squared minus 16 x plus 18B
2 x squared minus 16 x plus 15C
2 x squared minus 16 x plus 30D
2 x squared minus 4 x plus 12