Which of the following shows 8x3y + x2 − 14z − 2 + 5y2x written in standard form? −14z + 8x3y + 5y2x − 2 + x2 8x3y + 5y2x + x2 − 14z − 2 8x3y + x2 + 5y2x − 14z − 2 x2 − 2 − 14z + 5y2x + 8x2y