Wat is y(y^3+2y) expanded

Y( + 2y) in expanded form is:  +  .

First, distribute. / Your problem should look like:  + y × 2y.
Second, simplify  to  . / Your problem should look like:  + y × 2y.
Third, simplify exponent. / Your problem should look like:  +  × 2.
Fourth, regroup terms. / Your problem should look like:  +  , which is your answer.

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