X 4 7x 2 6 0 July 8, 2019 16 32 64 128 X 4 6x 2 7x 6 0 X 4 x 3 7x 2 x 6 0 X 4 x 3 7x 2 13x 6 0 X 5 7x 4 6x 3 x 2 7x 6 0 X 4 5x 3 7x 2 5x 6 0 6 x 2 )( x 4 )( 1 7x )= 0 7 x4 6/7 * x - 4 = - 2/7 - x
