Question Video: Simplifying Radical Expressions Mathematics

Simplify ∛(3) + 2 ∛(3) + 3 ∛(3).

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Video Transcript

Simplify the cube root of three plus two times the cube root of three plus three times the cube root of three.

And that first term, just the cube root of three, that means we’ve got one of them. So, we could say it’s one times the cube root of three. So, we’ve got one of the cube root of threes. We’ve got two more of the cube root of threes. And then, we’ve got three more on top of that, these cube root of threes. So, in total, one plus two is three, plus three is six. We’ve got six of them, six times the cube root of three. So, that’s our answer.

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