$5x\left(2x+1\right)$
$-8+f=-4$
$\frac{d}{dx}w=\frac{w+y}{y^2}$
$\int_1^e\pi\left(lnx\right)dx$
$3m^2-2mn;\:m=-3;\:n=4$
$\frac{1}{8}\left(2x+1\right)^4$
$-4+3x^2;\:x=-2$
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