a segment joining (-2, -3), (6, 1) is extended each way a distance equal to one-fourth of its own length. find the terminal points.

for the (+, +) i got the answer (10, 2) but according to the book, the answer is (8, 2) and (-4, -4) on the (-, -). i haven't tried solving for the later.

please help. im so tired thinking where i messed up