$-\left(x+5\right)=-x-5$
$2^{x-1}+2^x-2^{x+1}=4$
$x+2=\left(10-x\right)^2$
$\left(6w^2-2v\right)^3$
$-8-6-12+7-12+8+3$
$-3b\left(2b^2+8\right)$
$3\left(\cos\left(3x\right)-\cos\left(x\right)\right)=0$
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