$3\:i\:x\:+\:5\:i\:\:-\:3\:\:=\:x\:$
$\lim_{x\to0}\left(\frac{y^2\cos\left(y\right)}{\left(\sin\left(y\right)\right)^2}\right)$
$\left(-0\right)\cdot\left(-11\right)$
$\frac{x}{3}-4=-8$
$\left(5a+10b\right)\left(5a-12b\right)$
$d+d+d+d$
$\frac{3}{x}-\frac{1}{2}$
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