Respuesta :

sid071

Given :

... x² + 7x + 6 = 0

... x² + x + 6x + 6 = 0

... x ( x + 1 ) + 6 ( x + 1 ) = 0

... ( x + 6 )( x + 1 ) = 0

... x + 6 = 0

.. x = -6

... x + 1 = 0

.. x = -1

Hope my answer helps!!