$4cotx+2=-2$
$\frac{64x^3-343}{4x-7}$
$3^2+8x^3\cdot3$
$\lim_{x\to1}\left(1+\sin\left(\pi x\right)\right)^{\cot\left(\pi x\right)}$
$\int\frac{1}{t^2}dt$
$5-3+1-2$
$-25c^240c+16$
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