Respuesta :

Answer: D) -3x2-5x-15


Step-by-step explanation:

-4x2-5(x+3)+x2

-3x2-5x-15

Answer:

-4x2-5(x+3)+x2

=-4x2-5x-15+x2

=-4x2+x2-5x-15

=-3x2-5x-15

The correct answer is D) - 3x2-5x-15