I assume "Fiend" is supposed to be "find", but what do you mean by 2x_6? Did you mistakenly hold the Shift key when you wanted to type "-" or did you hit the key to the left of the "+"? Next time you post, please read what you wrote BEFORE you click on "Submit..." so that the tutors don't have to play guessing games with what you want.
John
My calculator said it, I believe it, that settles it