2018
Problem - 4582
Compute $$\int_{-2}^{0}\frac{x^3 + 4x^2 + 7x -20}{x^2+4x+8}dx+\int_0^2\frac{2x^3-7x^2+9x-10}{x^2+4}dx$$
Answer
$-12$
substitute $u=x+2$ in the first integral