$2x^2+29x+90$
$25a^3b^2+35a^2b^5-40a^7b^{10}$
$-7=v-7$
$\left(1+\cos\left(x\right)\right)\left(\tan\frac{x}{2}\right)=1$
$\int\frac{8}{36+x^2}dx$
$\frac{1}{6n}=\frac{n-3}{6n}+\frac{1}{3n}$
$\left(-6\right)+2-\left(-8\right)-\left(-3\right)+\left(+10\right)$
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