7x 1 2 9x 2 July 8, 2019 16 32 64 128 1 7x 2 8 1 9x 1 2 2x 7x 1 )( 9x 2 − 25 )= 0 2x2 9x 2 )+( 3x2 7x 1 2x 9x 2 )+( 3x 7x 1 1 4x 3x 2 )( 2 7x 9x 2 7x 2 9x 5 7 x 2 1
