Answer
$$7x+11+\frac{-6}{x^2+1}$$
Work Step by Step
Dividing the two polynomials using long division, we find:
$$\frac{7x^3+11x^2+7x+5}{x^2+1} \\ 7x+\frac{11x^2+5}{x^2+1} \\ 7x+11+\frac{-6}{x^2+1}$$
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