$$x^2+11x\:+166.38$$

$$\int\:4r\:e^{3r}dr$$

$$\int\sin\left(x\right)\cdot\left(1+\sqrt{\cos\left(x\right)}\right)^2dx$$

$$2417-999+1$$

$$15mn-27mn+5mn$$

$$4c^6-12c^4$$

$$\int\left(\frac{1}{t^2\sqrt{25+t^2}}\right)dt$$