2 7 х 0 15 July 8, 2019 16 32 64 128 296 2 2 7 х 6 6 6 0 15 Х 7 4 2 х 7 2 15 0 2 7 0 15 2 x square 7 x 15 0 15 ⋅ (х − 2 7) = 0 2 7 (-0 9) 2 7•0 01
