If p(x)=x^2 find and simplify expression for p(x+2).

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For this problem, you plug (x+2) into the equation wherever x is.

p(x+2)=(x+2)^2

Now you can foil the term on the right side of the equation.

p(x+2)=(x+2)*(x+2)

p(x+2)=x^2+2x+2x+4

Combine like terms with one x

p(x+2)=x^2+4x+4

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