$60+9a^2+1$
$\int4x^3e^{2x+1}dx$
$\frac{5-\sqrt{-5}}{5}$
$\int\frac{x^2}{\sqrt[5]{10x^3-5}}dx$
$ax^2+xy-x^2=5$
$\frac{1}{\sin^2a}-\frac{1}{\tan^2a}=1$
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