Question

(a + 2)(a^2- 2a + 4) - (a -2)(a^2 + 2a + 4)​

Answer 1

Answer:

16

Step-by-step explanation:

we know,a³+b³=(a+b)(a²-ab+b²)

a³-b³=(a-b) (a²+ab+b²)

here, (a+2)(a²-2a+4)=a³+2³=a³+8

and, (a-2)(a²+2a+4)=a³-2³=a³-8

answer=a³+8-a³+8

=16

HOPE IT HELPS