Expand: (x+5)(x−5)(x + 5)(x - 5)(x+5)(x−5).
x2−25x^2 - 25x2−25
x2+25x^2 + 25x2+25
x2−10x−25x^2 - 10x - 25x2−10x−25
x2+10x−25x^2 + 10x - 25x2+10x−25