$\int x\left(-\frac{5}{x^2}+\frac{4}{x^3}-\frac{4}{x^5}\right)dx$

$-5\ge3-j$

$9\left(5p+2\right)+4p$

$\frac{81x^5}{9x^5}$

$a+ax=b$

$cos\:y^2-sin\:y\:^2=1-2sin\:y^2$

$\frac{\sec\left(x\right)+\tan\left(x\right)}{\cos\left(x\right)-\tan\left(x\right)\sec\left(x\right)}$