$0-\left(-10\right)$
$\left(y^6-4\right)\left(y^6+5\right)$
$\left(2+\frac{2i}{n}\right)^2$
$-2\left(3-r\right)$
$x^2+2x-224$
$\left(-8\right)+\left|\left(+7\right)-\left(-4\right)+\left(-5\right)\right|$
$4\left(-2x^3+9x^2-5x+4\right)$
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