EvanPeters2007 EvanPeters2007 17-05-2023 Mathematics contestada 90 points Factor the following polynomial completely. - x2y2 + x4 + 9 y2 - 9 x2 ( x + 3)( x - 3)( x + y )( x - y ) ( x - 3)( x - 3)( x + y )( x - y ) ( x + 3)( x + 3)( x + y )( x - y )