Respuesta :

x=-4 and x=-7 is the answer for this one

Answer:

(-4,0)(-7,0)

Step-by-step explanation:

The x axis is crossed when y = 0.

That happens in two places.

x +4=0 is one place

x = - 4 when it does.

x + 7 =0 is the other.

x = - 7