$\lim_{x\to\infty}\left(\frac{1}{ln\left(1+\:x\right)}\right)$

$\left(3x+5y-z-2w\right)^2$

$\left(\sec\left(x\right)-\tan\left(x\right)\right)^2=\frac{1+\sin\left(x\right)}{1+\sin\left(x\right)}$

$\sqrt[5]{-\frac{1}{32}}$

$y=\frac{7}{4}\ln\left(5x^{2}-2\right)$

$3x^3-2x^2-3x+2$

$\left(-38\right)\left(-22\right)\left(-99\right)$