$-14-\left(-19\right)$
$f\left(x\right)=\sqrt{\left(1-x\right)^2}+\sqrt{x-1}$
$\left(3x^3+y^5\right)^2$
$h^4-2h^2+1$
$-6y=72$
$-40cd+16c^2+25d^2$
$\lim_{x\to\infty}\left(\frac{x-1}{x^2-2x+3}\right)$
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