Respuesta :

fussellk
you need to factor and then set each to 0 and solve

1)  (x -4)(x+3)
      x - 4 = 0
      x + 3 = 0
Answer:  4 and -3

2) (x^2 + 4)(x^2 - 1)
     I think it's +/-2 and 1