4x 2 5 solution July 8, 2019 16 32 64 128 Y x 2 4x 5 solutions X 2 4x 5 solution 2 4x 5 )= 10 solution 2x 2 )+ 4x 5 solution 2 (- 4x 5 )+ 6x solution 4x 2 x 5 0 solutions 4x 2 12x 5 0 solutions F x )= x 2 4x 5 solution 2x 4x 5 )/ 2 3 solution