$79a^6b^4+88ab^4$
$3y^2y'+y^3=e^{-x\:},\:y\left(0\right)=0$
$y^2dy=x\left(senx+lnx\right)dx$
$\left(\frac{1}{2}x^3+\frac{7}{6}y^2\right)\left(\frac{1}{2}x^3+\frac{7}{6}y^2\right)$
$\sec\left(u\right)+\tan\left(u\right)\:$
$\frac{x^2+1}{x}\ge1$
$n^2-5n+10$
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