Question

x² + 2x - 4x - 8 / 5x + 10 simplifique método de agrupamento

Answer 1

x² + 2x + 5x + 10

( x + 5 ) . ( x + 2 )

Answer 2

X² + 2x - 4x - 8 / 5x + 10 simplifique método de agrupamento

x² + 2x - 4x - 8

---------------------

    5x + 10

x(x + 2) - 4(x + 2)

-------------------------

    5(x + 2)

(x + 2)(x - 4)

-----------------  elimina AMBOS (x + 2)

   5(x + 2)

  (x - 4)

--------------  resposta

     5