7 x 2 ) 4x 2x 4 July 8, 2019 16 32 64 128 7 x 2 )+ 4x 2x 4 7x 2 4x 7 2x 4 2x 4x 7 )( x 2 49 )= 0 3 x 4 )+ 2 4x 7 )= 2x 29 X 3 6x 2 4x 7 )-( 3x 2 2x 4 2x 7