Respuesta :

Answer:  (x + 4) : 1

Step-by-step explanation:

x² + 3x - 4 can be factored into (x + 4)(x - 1)

    Area    : width

(x + 4)(x-1) :  (x-1)

divide both sides by (x - 1) to get:

Area : width

(x + 4) :   1