$9a^4-6a^2+1$
$1.22\cdot.5$
$\int_0^3\left(\frac{2x^2}{x^2+1}\right)dx$
$7x-3\le-5x+33$
$\left(z\right)\left(z+1\right)^2$
$3\cdot\left(10-18\right)-4\cdot\left(12-34\right)$
$22x-\left(13x-5\right)$
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