$\frac{x^3+3x^2+3x+1}{x}$
$\frac{1}{2\sin\left(\frac{x}{2}\right)cos\left(\frac{x}{2}\right)}$
$10x-2n=15x-5n$
$y^2-16y+64=0$
$\frac{2\sqrt{7}}{\sqrt{2}},-1$
$\left(x+8\right)\cdot2x$
$12\:=\:44q\:+\:r$
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