$-933-158$
$37,279+5,4$
$\frac{2x^4-2x^3+4x^2-5}{x+2}$
$-9\cos\left(\frac{17}{5}\pi\right)+7$
$\int\left(\frac{e^{-3x}}{1-e^{-3x}}\right)dx$
$\int\frac{\sin\left(x\right)}{\cos\left(x\right)\left(1+\cos^2\left(x\right)\right)}dx$
$8a^3+4a^2+6b^4+12b^5$
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