If a batter has a batting average of 0.325 and has 39 hits, how many times has the player been at bat

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

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Can someone me i’m confused. will give brainliest and a whole bunch of points