Question

Factor a^2 + 3a + 8a + 24 by grouping

A. 8a(a + 3)

B. (a^2 + 3a) (8a + 24)

C. cannot be factored

D. (a + 3) (a + 8)

Answer 1

D, FOIL out the possible answers, a×a = a^2, a×3 =3a, a×8=8a, and 3×8= 24