Jacob paint a square mural in his classroom. then he paint a mural in the hallway whose length is 6 feet longer and whose width is 2 feet shorter. let x represent the side length of the mural in jacob's classroom. write an expression that represents the two binomials you would multiply to find the area of the hallway mural. use that expression to find the area of the hallway mural if each side of the classroom mural is 8 feet long.