16x 2 25 =( 4x 5 )( 2x 1 July 8, 2019 16 32 64 128 (4x ^ 2 + x - 5)/(16x ^ 2 - 25) 16x ^ 4 - 40x ^ 2 + 25 - 10(4x ^ 2 - 5) - 11 = 0
