$4x^2+4x+17=0$
$\int\:\:e^{\left(x\cdot\:\:e^x+senhx\right)}\cdot\:\left(1\cdot\:\:e^x+x\cdot\:\:e^x\:+\:coshx\right)$
$a^4-5a^3-6a^2$
$\int\left(4sen^23x+4cos^23x\right)dx$
$cuad\left(9-2x+4y-x^2-4y^2\right)$
$\sin\left(u-v\right)$
$\int\frac{x-3}{x^{2}+15x+56}dx$
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