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A cube is an expression that has a power of 3
In algebra, the sum and the difference of two cubes are represented as:
<em>The options are not clear, so I will give instances.</em>
To expand, we make use of:
Express 64 as 4^3
By comparison:
x = 4, y = a
So, we have:
Hence, the expanded form of is:
Rewrite as:
Expand using:
Read more about sums and differences of cubes at: