evaluate each of the following using suitabe identities (5+3y)³​

2 thoughts on “evaluate each of the following using suitabe identities (5+3y)³​”

1. Answer:

   125 + 225 y + 135y² + 27y³

   Step-by-step explanation:

   using the formula of (a+b)³ = a³ + 3a²b + 3ab² + b³

   = 5³ + 3×5²×(3y)² + 3× 5² × (3y)² + (3y)³

   = 125 + 225y + 135 y² + 27y³

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2. Answer:

   (a+b)³=a³+b³+3ab(a+b)

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