3 4x 9x 2 8x 2 7 July 8, 2019 16 32 64 128 Find 3 4x 9x 2 8x 2 7 4x 4 3 8x 2 )-( x 9x 2 7 8x (3 + 2x) – (4x + 3) (4x – 3) = 9x – 6 1) (2x - 3)(4x ^ 2 + 6x + 9) - 8x ^ 3 = 2 7x 2) (3 + 4x)(16x ^ 2 - 12x + 9) - 64x ^ 3 = - 10x