Simplifying
$\frac{\tan45^{\circ}}{30^{\circ}+\tan}$
$\left(-\sqrt{2}\right)^2$
$\:ln\left(3\right)+5ln\left(x\right)+5ln\left(x^2+3\right)$
$\left(2x+3\right)\left(7+2x\right)$
$14a^3\:b^4\:-2ab^2$
$\frac{-24+7}{5}\le3$
$16x^2+9y^2-96x=-288$
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