CPM Homework Help : PC Problem 2-9

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2-9.

If $f(x)=3x^2+5x-2$ , show that $f(x+h)=3x^2+x(6h+5)+(3h^2+5h-2)$ .

Hint:

Substitute $(x+h)$ for every $x$ in $f(x)$ .

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