$z^2+11z+30$
$3x^2-35x-12=0$
$a^{\frac{2}{3}}\cdot a^{\frac{1}{2}}$
$\lim_{x\to0}\left(\frac{\cos\left(x\right)-sec\left(2x\right)}{x^2}\right)$
$\frac{184}{\:-92\:}$
$\sin x\left(1+\cot x\right)=\cos$
$\int-\frac{1}{4}u^4dx$
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