Explicación paso a paso:
.
[tex] {(a + 2)}^{3} [/tex]
[tex] {(a)}^{3} + 3 {(a)}^{2} (2) + 3(a) {(2) }^{2} + {(2)}^{3} [/tex]
[tex] {a}^{3} + 6 {a}^{2} + 12a + 8[/tex]
[tex] {a - 4}^{3} [/tex]
[tex] {(a)}^{3} - 3 {(a)}^{2} (4) + 3(a) {(4) }^{2} - {(4)}^{3} [/tex]
[tex] {a}^{3} - 12 {a}^{2} + 48a - 64[/tex]
