$( n ^ { 2 } - 1 ) ( n ^ { 2 } + 7 ) ( n ^ { 4 } - 6 n ^ { 2 } - 7 )$
$\frac{\left(x^2-2x+3\right)}{x-9}<-1$
$^{a^8}\:x\:^{a^{-2}}\:x\:a$
$\left(6x^2-2x^4\right)^3$
$\left(m^3-3\right)^3$
$\frac{d^4}{dx^4}\left(x^4-2x^6-4x^2-5x+2\right)$
$\frac{\sin\left(x\right)^2-\cos\left(x\right)^2+1}{\sin^2x}$
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