Вы ввели
Integral((2*x + 3)*log(x - 2), (x, 0, 1))
1 / | | (2*x + 3)*log(x - 2) dx | / 0
$$\int_{0}^{1} \left(2 x + 3\right) \log{\left (x - 2 \right )}\, dx$$