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Pls help. It will make my day even better

Pls help. It will make my day even better-example-1

1 Answer

3 votes

Answer:

4th option

Explanation:

216p³ + 125q³ ← is a sum of cubes and factors in general as

a³ + b³ = (a + b)(a² - ab + b²)

then

216p³ + 125q³

= (6p)³ + (5q)³ → with a = 6p and b = 5q

= (6p + 5q)((6p)² - 6p(5q) + (5q)² )

= (6p + 5q)(36p² - 30pq + 25q²)

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