Factor
6\left(a-2b\right)\left(-x+y-z\right)
Evaluate
6\left(a-2b\right)\left(-x+y-z\right)
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6\left(-ax-2by+2bz+2bx+ay-az\right)
Factor out 6.
a\left(-x+y-z\right)-2b\left(-x+y-z\right)
Consider -ax-2by+2bz+2bx+ay-az. Do the grouping -ax-2by+2bz+2bx+ay-az=\left(-ax+ay-az\right)+\left(2bx-2by+2bz\right), and factor out a in the first and -2b in the second group.
\left(-x+y-z\right)\left(a-2b\right)
Factor out common term -x+y-z by using distributive property.
6\left(a-2b\right)\left(-x+y-z\right)
Rewrite the complete factored expression.
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Limits
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