Tran is solving tBrooke has scores of 84, 72, 90, 95, and 87 on her first five quizzes. After taking the sixth quiz, Brooke’s mean score increased. Which could be Brooke’s sixth quiz score? Select three options. 85 90 83 86 92he quadratic equation 2x2 – 4x – 3 = 0 by completing the square. His first four steps are shown in the table. In which step did Tran first make an error? Step 1 Step 2 Step 3 Step 4