Comments

• x=4 -1 -3 :s eu to aqui no youtube aprendendo srsr http://www.somatematica.com.br/index2.php http://www.youtube.com/watch?v=ryBTpkYTL34

  in simplifique a expressão (x + y² + 4 ) . ( x+1) ? Comment by poppy-allen_60bd20fde1193 June 2021