Answer:
=x3 - 8x + 3x2-24
=X(x2- 8) + 3(x2- 8)
=(X+3) (x2- 8)
x^(3)-3x^(2)+8x-24
x2 (x-3) +8 (x-3)
Factor the polynomial by factoring out the greatest common factor,
x-3 (x-3) (x2+8)