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Cube root of 27k³ is 3k 
Cube root of 216h³ is 6h

a³+b³= (a+b)(a²-ab+b²)
27k³+216h³ = (3k+6h) [(3k)² - 3k.6h + (6h)²]
                 = (3k+6h) (9k²-18kh+36h²)

The factorized product is:
 (3k+6h) (9k²-18kh+36h²)

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I said thank to you coz I like the way you answer the font you have used to answer can you plz tell me the method of writing in this font
write the answer and highlight it... Bold (font)
You also have the square and cube signs beside the answer column.. Thanks.. !!!
Thank you
Your most welcome :)
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