Respuesta :

Factor out the (4x-5), which is the GCF to go from
x(4x-5) + 9(4x-5)
to
(4x-5)(x+9)


Note: (4x-5)(x+9) is the same as (x+9)(4x-5). The order of the factors does not matter. You can multiply in any order.

Therefore, the final answer is choice B