Answer:
4
Explanation:
For the two intersecting chords, the products of the lengths of the segments of the chord are the same.
8(x -1) = 6(x)
8x -8 = 6x . . . . . eliminate parentheses
2x -8 = 0 . . . . . subtract 6x
x -4 = 0 . . . . . divide by 2
x = 4 . . . . . . add 4