Respuesta :
5x + 6y - 3z - 4
the negative makes everything in the second set of parentheses negative
the negative makes everything in the second set of parentheses negative
5x + 6y − 3z − 4
Because
(5x + 6y) − (3z + 4)
(5x + 6y) + (−1)(3z + 4)
5x + 6y + (−1)(3z) + (−1)(4)
5x + 6y − 3z − 4