$\lim_{x\to\infty}\left(\frac{5}{x^3+2}\right)$

$3x+14>20-8x$

$\left(6n-33a\right)^2$

$\frac{1}{4x-x^2}$

$x^2+14x+49=0$

$\left(\frac{\sin\left(x\right)}{\cos\left(x\right)}\right)^2\cos\left(x\right)^2=\sin\left(x\right)^2$

$\left(\frac{1}{2}y+1\right)\left(4-2y\right)$