What is the expression x + 8x - 9 equivalent to?
1) (x +9)(x + 1)
2) (x + 9)(x - 1)
3) (x - 9)(x + 1)
4) (x – 9)(x - 1)

Respuesta :

Answer:

Step-by-step explanation:

(

+

1

)

+

9

(

+

1

)