$\frac{y^2}{2}+c=x^2+c$
$\frac{\sin^3\left(x\right)}{\cos\left(x\right)-\cos^3\left(x\right)}=\tan\left(x\right)$
$4\sqrt{3}-4i$
$-a^2+71a+2a^2-35a-7$
$100\:-\:50\:\left(10\right)$
$5x^2+30x-1$
$x-7<12$
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