#### Answer

(2 - a)(4 + 2a + $a^{2}$)

#### Work Step by Step

8 - $a^{3}$ is a difference of cubes, so we write it as a difference of cubes and factor:
$2^{3}$ - $a^{3}$
= (2 - a)($2^{2}$ + (2)(a) + $a^{2}$)
= (2 - a)(4 + 2a + $a^{2}$)

Published by
Pearson

ISBN 10:
0321671791

ISBN 13:
978-0-32167-179-0

(2 - a)(4 + 2a + $a^{2}$)

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