Question

a (в кубе) + a(в квадрате)+ 4

Answer 1

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