Math, asked by preet429, 5 months ago

expand 8a^3-27

using identities please fast

Answers

Answered by rkcomp31

1

Answer:

Step-by-step explanation:

8a^3-27

=(2a)^3-3^3

Using adentity

a³-b³=(a-b)(a²+b²+ab)

=(2a-3) { (2a)²+3²+2a*3)

=(2a-3) (4a²+9+6a)

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