Answer:
1.
(x+ 2) (x + 2) ( x + 2)
(x + 2) (x² +2x + 2x + 4)
(x + 2) (x² + 4x + 4)
x³ + 4x² + 4x + 2x² + 8x + 8
x³ + 6x² + 12x + 8
2.
(2p + 1) (2p + 1) (2p + 1)
(2p + 1) (4p² + 2p + 2p +1)
(2p + 1) (4p² + 4p +1)
8p³ + 8p ² + 2p + 4p² + 4p + 1
8p³ + 12p² + 6p + 1
