a tailor trims 11 feet from opposite edges of a square piece of cloth , and 7 feet from the other two edges . if 84 square feet of cloth remain , what was the length of a side of the original piece of cloth ?
"let the original side of the square be x . ( x - 22 ) * ( x - 14 ) = 84 = 6 * 14 x = 28 the answer is c ."
divide(add(add(multiply(const_2, 11), multiply(const_2, const_3.0)), sqrt(add(multiply(11, subtract(84, multiply(multiply(const_2, 7), multiply(const_2, 11)))), power(add(multiply(const_2, 11), multiply(const_2, 7)), const_2)))), const_2)