Which of the following statement is correct? I. The value of 100 2 - 99 2 + 98 2 - 97 2 + 96 2 - 95 2 + 94 2 - 93 2 +.... + 2 2 - 1 2 is 5050. II. If 8x + frac8textx = -16 and x < 0, then the value of x 197 + x -197 is 2.