$6-2m<8$
$\left(1-\sin^2\left(x\right)\right)^2$
$0.1x+0.7<2x-1.2$
$\left(9+9\sin y\right)\left|9+9\sin\left(-y\right)\right|\cos^2y$
$-4n+n^4-6+7n^2-2n^2$
$x^2+9x-10=0$
$\lim_{h\to0}\left(\frac{\sqrt{x+h-5}-\sqrt{x-5}}{h}\right)$
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