$-\frac{7\left(6-3z\right)}{2}\:-\frac{2\left(z+4\right)}{2}$
$x^2-4x-60$
$81+9a-a^2$
$6m>72$
$\cos^2x-\frac{1}{4}=0$
$\int\left(x-4\right)^3dx$
$2x^3+x^2-5x+2=x+2$
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