Respuesta :

Answer:

[tex]x^{2} +2x-15 = 0[/tex]

Step-by-step explanation:

x = 3 and x = -5

(x - 3) = 0 and (x + 5) = 0

(x - 3) * (x + 5) = 0

[tex]x^{2} + 5x - 3x - 3*5 = 0\\x^{2} +2x-15 = 0[/tex]