(- 5x 4 )-( 3x 2 7x 4 in standard form July 8, 2019 16 32 64 128 5 x 5 x 5 x 5 x 5 5 x 7 = 35 Which of the following is (−5x + 4) − (3x2 − 7x + 4) simplified and written in standard form
