1 1 6 x 5 7 July 8, 2019 16 32 64 128 1 1 6 х 1 5 7 1 6 x 5 7 as a fraction 1 6 5 x 75 1 1 2 x 7 5 6 6 1 8 x 1 5 7 1 5 1 5 x )= 6 7 5x 1 5 2 1 6 x 8 1 7 12 6 x 1 5 )-( 1 7x 6 1 4 x 1 5 7 8 1 6 x 5 1 7 4 1 5 X 1 2 6 1 x 5 7 10 2 1 6 x 5 7 9 1 3 x 5 )- 1 6 x 7 )= 0 1 x 1 1 x 5 6 7 by quadratic formula