$-116:-4$
$-58\:.\:99\:.\:-66$
$\frac{\cot\left(x\right)\tan\left(x\right)}{\sec\left(x\right)}=\cos\left(x\right)$
$9v^2-18v+9$
$\frac{x^2-13x+40}{x+8}$
$25x^5+25x$
$\frac{\left(x^{2}\right)^{3}\left(2x^{3}\right)^{3}}{4x^{2}}$
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