$\sqrt{64-8\cos\left(x\right)}$
$\left(\sqrt[4]{97-x}+\sqrt[4]{x}\right)^4$
$x^2-\frac{7}{6x}+\frac{1}{2}$
$\frac{dy}{dt}+2ty=0$
$y^2+8y-20$
$4x^2+4x+2$
$\frac{-4x-5}{2}\cdot10$
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