Question

expand 27ycubeexpand 27 y cube ​

Answer 1

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$27 {x}^{3} = ( {}^{} 3x) {}^{3}$

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Answer 2

27y³

27 can be factorised as 3×3×3(3³)

so 27y³ can be written as 3×3×3×y³

and y³ can be written as y×y×y

so 27y³ is 3y×3y×3y

(3y)³

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