AUBURN HILLS—Reggie Jackson scored 24 of his 26 points in the second half, and the Detroit Pistons pulled away down the stretch for a 109-95 victory over the Bulls on Monday night.The Pistons climbed into a tie for the No. 7 spot in the Eastern Conference with the Bulls, who were playing without injured Dwyane Wade and Rajon Rondo.Jackson’s performance has been spotty this season, and at times backup Ish Smith has seemed like a better option late in games. But Jackson was instrumental in helping the Pistons take control in a game Monday that was tied at 79 after three quarters.Detroit started the fourth with a 12-3 run and held the Bulls to 16 points in the quarter.Jimmy Butler scored 27 points.