X 2 5 5x 7 0 July 8, 2019 16 32 64 128 Log1 5 x 2 5x 7 ) 0 X 5 )( 2x 2 5x 7 )= 0 X 2 7 5x 3 3 5 0 5 x 5 x 5 x 5 x 5
