X 2 3x 1 3x 4 5x 3 7x 2 2x 2 July 8, 2019 16 32 64 128 (2x – 7)(x + 1) + 3(4x – 1)(4x + 1) = 2(5x – 2)2 – 53 3x + (5x - 2) 3 - 2x 4(5x-1)-21x 1-3x 7 - 11x 9x - 2(5x + 7) 6-x 2(1-4x)-3(1-3x). 2) 1034. 1)
