Question

Factorise 8a+27b by using the identity​

Answer 1

USING IDENTITY

$a ^{3} + b ^{3} = (a + b)(a ^{2} + b ^{2} - ab)$

8a + 27b

We can write it in the form of

$2a ^{3} + 3a ^{3}$

$2a ^{3} + 3b ^{3} = (2a + 3b)(4a ^{2} + 9b ^{2} - 6ab$

So the answer is

$(2a + 3b)(4a^{2} + 9b^{2} - 6ab)$

SO HERE IS YOUR ANSWER

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