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Questions about the NCAlgebra, a package for manipulating noncommuting algebraic expressions.

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NCAlgebra - Factoring common commutative coefficients

CapitalDelta]1, \[CapitalDelta]2] SetNonCommutative[g, e, r] DisplayRule = NonCommutativeMultiply[a__] :> Infix[NonCommutativeMultiply[a],"\InvisibleTimes]\[InvisibleTimes]"] Which has allowed me to get NCAlgebra
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NCAlgebra - Factoring common commutative coefficients

Ok, I found the function NCCollect from this question which can factor like so NCCollect[a ** b ** c - a ** b ** d, {a, b}] results in a ** b ** (c - d)
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