$$\left(-1\right)-\left(-11\right)$$

$$\int_0^x\frac{y}{e^x}dx$$

$$2x^3-3x^2-2x$$

$$\int\frac{3x^2}{x^2+x-6}dx$$

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

$$36x^2+120x+24$$