$4x^2+7x-11$
$\sec^4\left(x\right)-\tan^4\left(x\right)=\sec^4\left(x\right)-1$
$\frac{30z^3-18z^2}{6z^3+5z^2}\cdot\frac{42z+35}{60z-36}$
$17p\:+\:10\:+\:52q\:+\:13p\:-\:2q$
$\left(e^5\right)^7$
$\int\frac{x-1}{x^2+4x+3}dx$
$a^2+2a+1$
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