$3\cdot\:\left(x-5\right)^2-12\ge\:0$
$2+3\cdot\left(-2+12\right)-\left(11\right)$
$2\cos\left(\frac{5\pi}{4}\right)-\sec\left(\frac{\pi}{4}\right)$
$4^2-12xy+9y^2$
$\frac{4-1}{\sqrt{1}-2}$
$54\:h^2i^3j^2\:-60h^3i^4j^5\:+\:48hi^2j^3$
$\sqrt{2\left|3+15\right|}$
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