$$\int\left(14xe^{7x}\right)dx$$

$$\left(-\infty\right)^6$$

$$\int\frac{1}{x\log\left(2\right)}dx$$

$$25x^8-50x^6+25x^4$$

$$\int_{\pi}^{2\pi}\left(\sin\left(x\right)\cos\left(x\right)\right)dx$$

$$\left(3m^4a^3\right)^2$$

$$\frac{n^{24}}{27}-125y^{33}$$