Answer:
(x+8)(x^2-3)
Step-by-step explanation:
First you need to factor out the greatest common factor from each group.
x^2(x+8) - 3(x+8)
Factor the polynomial by factoring out the greatest common factor, x+8.
( x + 8 ) ( x ^2-3 )
(x + 8) • (x2 - 3)