Question

(а-2)(а в квадрате + 2а + 4)

Answer 1

(a-2)*(a^2 + 2*a + 4)=a^3-8

Answer 2

(a-2)(a²+2a+4)=a³+2a²+4a-2a²-4a-8=a³-8

(a-b)(a²-ab+b²)=a³-b³
(a-2)(a²+2a+4)=a³-2³