$4\cdot r+5<9$

$\int e^{10x^3}5x^2dx$

$\int_{3x-5}^{36x^4-109x^2+25}dx$

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

$y=\left(x^3-1\right)^7$

$\left(6x-y\right)+\left(18x+y\right)$

$\\left[\left(\frac{7}{11}\right)^4\right]^5\^{-11}$