4x 8x 2 8 ) ( x 2 7 4x July 8, 2019 16 32 64 128 4x 8x 2 8 )+( x 2 7 4x (4x – 8)2(x – 8) = (4x – 8)(x – 8)2 4 2x + 8 = 8 - 7x (7x ^ 2 - 4x + 8) - (4x ^ 2 + x - 5)