Question

a (в кубе) + a(в квадрате)+ 4

Answer 1

$a {}^{3} + a {}^{2} + 4 \\ a {}^{3} + 2a {}^{2} - a {}^{2} + 4 \\ a {}^{3} + 2a {}^{2} - (a {}^{2} { - 4)}^{} \\ a {}^{2} \times (a + 2) - (a - 2) \times (a + 2) \\ (a + 2) \times (a { }^{2} - (a - 2)) \\ (a + 2) \times (a {}^{2} - a + 2)$