X 2 7x 49 July 8, 2019 16 32 64 128 X 2 7x 49 0 X 2 7x 49 4 0 X 2 7x 49 4 X 2 7x 49 factor X 7 )( x2 7x 49 X 3 7x 2 49x 343 0 Is x 2 7x 49 a perfect square trinomial X 3 7x 2 7x 49 X 3 7x 2 49x 55 X 2 7x 49 0 then x 3 Rownanie x 2 7x x 2 49 Simplify x 2 7x x 2 49 7x 49 x 2 13x 42
