$\left(1+2ab\right)^2$
$6r-1+6r=11$
$\lim_{x\to2}\left(x^2+3x+10\right)$
$\:\left(1-\frac{2x}{5}\right)^2$
$9b^4-30b^2+25$
$\frac{\log\left(2\right)+\log\left(3\right)}{\log\left(6\right)}$
$\left(\:-\:4m\:+\:7n\:\right)^3$
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