Multiply three binomials. James is building a post for his birdhouse. To find the correct dimensions, he needs to expand this expression: left parenthesis x minus 4 right parenthesis left parenthesis x minus 8 right parenthesis left parenthesis x minus 2 right parenthesis. Select the equivalent expression written in the format a x cubed plus b x squared plus c x plus d. a.) x cubed plus 6 x squared plus 24 x minus 64 b.) x cubed minus 14 x squared plus 56 x minus 64 c.) x cubed minus 6 x squared minus 24 x plus 64 d.) x cubed plus 14 x squared minus 56 x plus 64