$x^2-8x+5>2$
$\left(3a+5b+c\right)^2$
$x^2+2x-14=0$
$\lim_{x\to\frac{\pi}{2}}\left(\frac{\cot x}{\cos x}\right)$
$\frac{4x^3-12x^2+9x+0}{2x+1}$
$\lim_{x\to\pi}\left(\frac{1+\cos\left(x\right)}{sin\left(7x\right)}\right)$
$24+4^2$
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