$\left(1+x^2\right)y'+1+y^2=0$
$10+6+6+5+5+5+5+5+5-2$
$36a^2-48ab^2+16b^4$
$3r+7b=1000$
$7\left(x-5\right)$
$\frac{dy}{dx}+\frac{y}{x}=x^7y^{-6}$
$\lim_{x\to0}\left(\frac{3x+\sin\left(x\right)}{x}\right)$
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