$\frac{x^2-y}{x+y}^2$
$\cos\left(b+45^{\circ}\right)\sin\left(b+45^{\circ}\right)=\cos^2\left(b\right)-\frac{1}{2}$
$\int\:2x\:\sqrt{2x-4}dx$
$5\left(6m-3\right)+1$
$\frac{\left(3x^2+x-4\right)}{\left(x-6\right)}$
$5a+5-3a+10$
$\left(e^{ix}+e^{-ix}\right)^5$
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