Answer:
a^3 + 2a^2 - 2a + 8
Step-by-step explanation:
(a+2) (a2-2a+4)
1. Multiply "a" times a^2, -2a, and 4
(a+2) (a2-2a+4) = a^3 - 2a + 4a
2. Multiply 2 times a^2, -2a, and 4
(a+2) (a2-2a+4) = a^3 - 2a + 4a + 2a^2 - 4a + 8
3. Add like terms
a^3 - 2a + 4a + 2a^2 - 4a + 8
a^3 + 2a^2 - 2a + 8
