Answer: C: (x+6)(x-2); 84 square feet.
Step-by-step explanation:
it says that the length of hallway is 6 feet longer than 8 feet i.e 14 feet and width is 2 feet shorter that 8 feet i.e 6 feet.
so the the area will be [tex](x+6)(x-2)[/tex]
so the area of hallway be 14 x 6 i.e 84
and the area of square 8 x 8 i.e 64
