$y^2-6y+22$
$\:y+3y^2+8y+y^2$
$5x^2-4-x+4x^2-x^2+6$
$x^2-2x+8$
$\int\left(cos\right)^{-1}\:2x\:dx$
$\frac{d}{dx}8.2x\:+\:y\:=\:3y\:-\:1\:$
$-x^2+6x+3$
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