Respuesta :

Answer:

a

Step-by-step explanation:

x^2 + x - 8 + x - 7

x^2 + 2x - 15

Answer:

B

Step-by-step explanation:

u r welcome, mark as brainlest

(x-3)(x+5) = x² + 5x - 3x - 15 = x² + 2x - 15