$4x^2+12x+10=0$
$7-5.2+5$
$\int\left(\frac{2}{3x+5}\right)dx$
$\left(x^5+2x^4\right)^3$
$\left(\frac{5}{8}\right)\left(\frac{1}{10}+\frac{2}{5}-\frac{1}{2}\right)$
$\frac{\sin^2x+\sin^2x\cos x}{1+\cos x}$
$12cos\left(16s\right)cos\left(9s\right)$
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