$3\tan\left(\frac{5}{4}x\right)+\sqrt{3}=0$

$\int x\left(5+3x^2\right)^8dx$

$5^2\cdot5^7\cdot5^{-3}$

$\int_{-2}^3\left(-\frac{16}{x^6}\right)dx$

$\int\frac{x^3-4x^2+4x}{x^3-2x^2-3x}dx$

$1+cotan^2\left(\frac{x}{2}\right)=\frac{2}{sen\left(x\right)tg\left(\frac{x}{2}\right)}$

$10.256^{\frac{3}{4}}81^{\frac{1}{4}}$