Question

Factorise :

2а^3 + 16b^З – 3а – 6b​

Answer 1

Step-by-step explanation:

2a3 +16b3–3a–6b

= 2(a3+ 8b3)–3(a+2b)

=2 (a+2b) (a2+ 4b2–2ab) –3(a+2b)

=(a+2b)(2a2 +8b2–4ab–3)

Answer 2

Answer:

(a+2b)[2(a²-2ab+4b²)-3]