Respuesta :

Answer:

The last one

Step-by-step explanation:

so first set 1 side eualt to zero by minusing 10 from both sides

x^2+6x-16=0

facotr

what 2 numbers multiply to -16 and add to 6?

-2 and 8

(x-2)(x+8)=0

set each to zero

x-2=0

x=2

x+8=0

x=-8

x=-8 or 2