What is the completely factored form of 3 x to the 5th power minus 7 x to the 4th power plus 6 x squared minus 14 x ?
A
x open paren x cubed plus 2 close paren open paren 3 x minus 7 close parenB
open paren x to the 4th power plus 2 x close paren times open paren 3 x minus 7 close parenC
x times open paren 3 x to the 4th power minus 7 x cubed plus 6 x minus 14 close parenD
x to the 4th power open paren 3 x minus 7 close paren open paren 2 x minus 1 close paren