$\left(\cos^2\right)\left(\tan^2\right)$
$\left(2n+8\right)\left(2n+7\right)$
$\lim_{h\to0}\left(\frac{x+h}{2-x^3}^3\right)$
$\lim_{x\to0}\left(\frac{5-5x\sqrt{1+x}}{x\sqrt{1+x}}\right)$
$\left(-4m^2\right)\left(-5mn^2g\right)$
$\left(8x+7\right)\left(8x-58\right)$
$5a-5>-5a+8$
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