X 2 4x 5 )( x 2 4x 5 July 8, 2019 16 32 64 128 5 x 2 4x 5 x 2 4x 1 0 X 2 x 5 )+ x 2 4x 5 0 X 2 5x 5 x 2 4x 60 )= 1 X 2 5x 12 x 2 4x 5 3 2 4x 5 )+ 4 x − 5 2 4x 5 )+ 4 x − 5