$-7x^2+12x+36$
$\frac{x}{x+2}+\frac{2}{x^2+5x+6}=\frac{5}{x+3}$
$30-2^2-1^3\cdot3$
$14.530+-365$
$\int_0^{\pi}x\sin\left(\frac{x}{2}\right)dx$
$\left(\frac{1}{3}x^3-\frac{3}{2}y^2\right)^5$
$x^3-2x^2+5x-8\:para\:x=-2$
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