$$\int\left(13x+25\right)^2dx$$

$$46.3761+22.1841+16.8921+10.3041+7.3441+6.3001+5.3361+4.8841+4.0401+3.2761+4.5602+0.6561+1.0082+0.2601+0.0961+0.0441+0.0242+0.1682+0.6962+1.8723+2.3763+0.9801+1.1881+2.8561+3.5721+8.7362+5.2441+7.7841+8.9401+16.7281+19.2721+34.6921$$

$$\int\frac{\left(2-u\right)}{\left(u^2+1\right)}du$$

$$\left(\frac{2}{3}x+\frac{1}{11}\right)\left(\frac{3}{5}x-\frac{7}{12}\right)$$

$$\int9x^3dx$$

$$- 1 - ( - 4 + 6 ) + 2 - ( - 1 - 2 )$$

$$\frac{\left(-60\right)}{10}$$