Respuesta :

Answer:

B = -1

Step-by-step explanation:

First lets expand (2x+5)(x-3) using distributive property.

We get:

(2x + 5)(x - 3) = [tex]2x^{2}[/tex] - 6x + 5x -15 = [tex]2x^{2}[/tex] - 1x - 15.

So, B = -1