$2\sin^2x+7\sin x+3=0$
$\int\frac{d}{x\sqrt{4x^2+9}}$
$8+9b-4-7b$
$2tan\left(x\right)cos\left(x\right)=sin\left(2x\right)$
$\frac{\log\left(2\right)}{\log\left(1.09\right)}$
$16m^{4\:}-25a^{10}$
$\left|\left(-4^4\right)\right|^2$
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