I need the answer please

What is the missing constant term in the perfect square that starts with x^2 -20x

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

Common binomial factor of 6x(3x+7)+5(3x+7)