$$-5\cdot8+10$$

$$\int x\cdot\left(m^{3x}\right)dx$$

$$\arctan\left(\tan\left(\frac{44\pi}{9}\right)\right)$$

$$\frac{dy}{dx}-\frac{4y}{x}=x^4e^x$$

$$\lim_{x\to0}\left(\frac{4\sin\left(x\right)-7x}{x}\right)$$

$$6x^2-12x$$

$$\cos\left(x\right)\left(\sin\left(x\right)+\cos\left(x\right)\cot\left(x\right)\right)$$