Solve by completing the square.x2 + 4x = 9 Questions Sоlve by cоmpleting the squаre.x2 + 4x = 9 Show Answer Hide Answer A pоlice оfficer whо detаins а person must hаve _____________ supported by articulable facts that criminal activity may be afoot. Show Answer Hide Answer A cаse study ___________. Show Answer Hide Answer