$-4\left(x-2\right)+3\left(x+4\right)$
$f\left(\frac{x+2}{3}\right)=3x-2$
$\frac{9x+9y}{9}$
$\frac{3}{x-1}+2$
$\lim_{x\to1}\left(\frac{4x^2}{6x^4-5}\right)$
$\sqrt{11arctan\left(x\right)}$
$\left(7m-2x^2+3\right)^3$
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