Which shows one way to determine the factors of 4 x cubed plus x squared minus 8 x minus 2 by grouping?
A
4 x squared open paren x plus 2 close paren minus 1 times open paren x plus 2 close parenB
x squared times open paren 4 x minus 1 close paren plus 2 times open paren 4 x minus 1 close parenC
4 x squared open paren x minus 2 close paren minus 1 times open paren x minus 2 close parenD
x squared times open paren 4 x plus 1 close paren minus 2 times open paren 4 x plus 1 close paren