Laura determined the difference between 8 and –2 using the additive inverse. her steps are shown below. 8 – (–2) = –8 + 2 = –6 which best describes the error in laura’s work? a. the 8 should have remained positive. b. the 2 should have remained negative. c. the addition of –8 and 2 was computed incorrectly. d. the 8 should have remained positive, and the 2 should have remained negative.