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Multiply (2x+4)^2.

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2 Answers

Hey there.  Since you are squaring it, you multiply it by itself.  Thus it's:

(2x + 4)(2x + 4)

You need to FOIL it.  You know, First, Outside, Inside, Last:

4x2 + 8x + 8x + 16.

Then combine like terms:

4x2 + 16x + 16.

Shake a leg.