SOLUTION: if f(x)=x^2+2x find f(a+3)

SOLUTION: if f(x)=x^2+2x find f(a+3)

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Question 293645: if f(x)=x^2+2x
find f(a+3)
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given function.

Plug in

FOIL

Distribute.

Combine like terms.
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