$\frac{10}{7}b^2y-\frac{25}{7}b^2x$
$4x+7=x-2$
$x^2+2x=-1$
$2\cos\left(x\right)\tan\left(x\right)=1$
$-198+-276$
$\lim_{x\to-5}\left(x^2-25\right)\lim_{x\to-5}\left(x+5\right)$
$\left(xy^2-2z\right)\left(xy^2+3q\right)$
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