$\int\frac{1}{\csc\left(y\right)\:}dy$
$\:x^2\:-\:3x^2\:-\:4$
$m^2+3m+2.25$
$x+1=-5$
$\frac{3}{5}x-\frac{1}{2}x$
$2a+6b-5a-14b-2$
$5\cos^2x+3\cos x=2$
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