$\left(x+1\right)\left(x+1\right)^2$
$\left(-122\right)-\left(52\right)-\left(-10\right)$
$x^2-10x+20$
$14x^2-10x$
$-3a^4\cdot\left(-a\right)^2$
$\lim_{x\to0}\left(\frac{x\cdot9^x}{9^x-1}\right)$
$\left(1+d\right)\left(1-d\right)$
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