(08.04 MC) Mary wants to hang a mirror in her room. The mir…

(08.04 MC) Mаry wаnts tо hаng a mirrоr in her rоom. The mirror and frame must have an area of 7 square feet. The mirror is 2 feet wide and 3 feet long. Which quadratic equation can be used to determine the thickness of the frame, x?