$y'+\frac{1}{x}y=x\:senx$
$2\frac{dy}{dx}=\frac{3x^2}{y}$
$\:\left(x+1\right)^2+3\left(x+1\right)+2$
$\left(2a+4\right)\left(2a-2\right)$
$2x^2y\frac{dy}{dx}+y^2$
$16\cdot64\cdot256$
$12+5+-9+2+-6$
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