$6\int\left(4v^{2}+2v-2\right)\left(8v+2\right)dv$
$245x^2-20$
$2\cos^2x+19\cos x-10$
$8\sqrt{x^4}y^2z^3$
$\lim_{x\to1}\left(\frac{2x+1}{x}\right)$
$5z+8z$
$-10x^2+2z+12$
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