$\frac{dy}{dx}\left(x^2+11xy+y^2=7\right)$

$\sqrt[3]{x+1}=0$

$\lim_{x\to\infty}\left(sin\left(x\right)ln\left(4x\right)\right)$

$\left|\left(+5\right)\cdot\left(+8\right)\right|\cdot\left(-3\right)$

$\frac{u+16}{17}=4$

$\frac{dx}{dy}+\left(x+1\right)y=3x$

$\sec\left(x\right)+2=\sin\left(x\right)\left(\tan\left(x\right)+\cot\left(x\right)\right)+2$