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Answer to Question #26649 in Algebra for Shane Ad
Question #26649
2a cubed plus (2a) cubed
Expert's answer
We have the following expression:
2a³ + (2a)³.
Let's transform it. We'll open the brackets at first:
2a³ + (2a)³ = 2a³ + 2³a³ = 2a³ + 8a³.
We've got two similar terms, so let's add them:
2a³ + 8a³ = (2+8)a³ = 10a³.
So, 2a³ + (2a)³ = 10a³.
2a³ + (2a)³.
Let's transform it. We'll open the brackets at first:
2a³ + (2a)³ = 2a³ + 2³a³ = 2a³ + 8a³.
We've got two similar terms, so let's add them:
2a³ + 8a³ = (2+8)a³ = 10a³.
So, 2a³ + (2a)³ = 10a³.
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