$\left(x^3+6x^2\right)-\left(6x+36\right)$
$\frac{dy}{dx}=x^2+yx^{-1}$
$3q-5m+5s-2q+4m-7s$
$x^2-13x+30>30$
$-167+\left(-78\right)+\left(24\right)$
$-\left(-11\right)^2$
$2\sin\left(x\right)\cos\left(x\right)-2\sin\left(x\right)+\cos\left(x\right)=1$
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