$$\int\left(-4\right)x^4e^{3x^5+\left(50\right)}dx$$

$$y=\frac{dy}{dt}$$

$$\int16x\cdot e^{8x}dx$$

$$\:x-7=28$$

$$\frac{\cot\left(x\right)\cos\left(x\right)}{\cos\left(x\right)+\cot\left(x\right)}=\frac{\cos\left(x\right)}{1+\sin\left(x\right)}$$

$$2^6-\left(5^3-\:4^3\right)$$

$$0.24-3.16$$