X 4 13x 2 36 0 July 8, 2019 16 32 64 128 X 4 13x 2 36 0 quadratic formula X 4 13x 2 36 0 factor Rozwiaz rownanie x 4 13x 2 36 0 Giải phương trình x 4 13x 2 36 0 Solve the equation x 4 13x 2 36 0 Rozwiąż równanie x 4 13x 2 36 0