$1+\cos\left(2x\right)+\cos^2\left(x\right)=3-3\sin^2\left(x\right)$
$-\frac{\left(-7.9\right)}{2\left(3.3\right)}$
$\left(m^3+3p\right)^2$
$\left(15x+8\right)\left(3x-5\right)$
$8-\left(4-8\right)$
$\frac{m^4n^2}{m^5n^6}$
$\frac{x}{2}-3>-5$
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