$9a^2-8a+a^2+3a$
$y'+2y=6e^x,y\left(0\right)=4$
$\int-sec^3xdx$
$\int_0^2\left(30+4t\right)e^{-.1t}dt$
$\lim_{x\to1}\frac{1-x}{1\sqrt{x}}$
$3q\:+\:q$
$\left(x^5+6\right)^2$
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