$5g+3g-2g$
$2y+24y^2-15$
$10y=3y+8+6y$
$\left(a^{x+1}-b^{x-1}\right)\cdot\left(b^{x-1}+a^{x+1}\right)$
$\lim_{x\to0}\left(\frac{x-8\sin\left(x\right)\cos\left(x\right)}{\tan\left(x\right)-x}\right)$
$\int z^{12}dz$
$17\:-\:\left(-\:4\right)\:.\:5\:+\:18\::\:\left(-\:9\right)\:-\:18\:$
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