$\frac{a^2b^2}{a^{-3}b^{-1}}$
$10x-8=2x-8$
$\frac{-csc^2\left(t\right)}{sec^2\left(t\right)}$
$-2x+3\le-9-3x$
$c^2+2cd+d^2$
$25y^2+20y-5$
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