$m-\left(x-y\right)\:n+\left(a+b\right)$
$6x^2+11x+5=0$
$2xy^2-\frac{1}{2}x^2$
$4^58^2$
$\int\sin^{-2}\left(4x\right)\cos\left(4x\right)dx$
$\left(yx^2-4x+3\right)\left(-7x\right)$
$7x-3-3x+2x+7$
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