Question

Factorise:
(1) a³ + 8​

Answer 1

Answer:

a^3 + 8

a^3 + 2^3

(a + 2)(a + 2)(a + 2)

Answer 2

Step-by-step explanation:

a^3+b^3=(a+b)(a^2-ab+b^2)

so, a^3+2^3=(a+2)(a^2-a2+2^2)

therefore, (a+b) (a^2-2a+4)