Which shows 422 − 382 being evaluated using the difference of perfect squares method?
422 − 382 = (1,764 − 1,444)(1,764 + 1,444) = 1,026,560
422 − 382 = 84 − 76 = 8
422 − 382 = (42 − 38)2 = (4)2 = 16
422 − 382 = (42 + 38)(42 − 38) = (80)(4) = 320