Represent the following sentence as an algebraic expression, where "a number" is the letter x. You do not need to simplify. The cube of twice a number.

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Rickard Liljeberg asked May 21, 2023

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Represent the following sentence as an algebraic expression, where "a number" is the letter x. You do not need to simplify.

The cube of twice a number.

Mathematics
high-school

Rickard Liljeberg asked May 21, 2023

by Rickard Liljeberg

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Answer: (2x)^3

Work Shown:

x = some unknown number

2x = twice the number

(2x)^3 = cubing the previous result

If you want to simplify this expression, then you would get 8x^3 since 2^3 = 8.

Dmytro Titov answered May 26, 2023

by Dmytro Titov

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