Question

I need to get this done, please help

Answer 1

The expression that is a sum of cubes is given as follows:

$-27a^3b^6 + 8a^9b^12$

What is a sum of cubes?

An expression that is a sum of cubes is given as follows:

a³ + b³.

For the sum, all numeric factors have to be powers of 3, while all exponents have to be multiples of 3. Hence the expression that is a sum of cubes is given as follows:

$-27a^3b^6 + 8a^9b^12$

More can be learned about a sum of cubes at brainly.com/question/26726803

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