$\int\frac{2t}{t^2-2t+1}dt$
$7x^2+4x^2+7x+2+6x^3+8x+3$
$\left(z-10\right)\left(z+10\right)$
$12x+10+4y$
$12\left(34\right)\left(-2\right)\left(-14\right)$
$18\cdot22$
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