$\left(\sqrt{2x^2}\right)^4$
$-\frac{9}{12}-\left(-\frac{7}{4}\right)$
$q+\left|3\right|=-5$
$8\:senx-3=0$
$5\cdot\left(x^2+3x-2\right)$
$\frac{1}{\cos\left(x\right)}-\frac{\cos\left(x\right)}{1+\sin^2\left(x\right)}$
$a^2+14a+7$
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