$\int csc^4\frac{x}{7}dx$
$\cos^2x+4\cos x=0$
$\int\frac{1}{4}x^{3}dx$
$h\left(z\right)=\left(7-z^2\right)\left(z^3-4z+2\right)$
$\frac{3+16x+10x^3}{5x^2+4}$
$6^{2\cdot3}$
$2a^2+5a+12$
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