20xy+7zw-5yz-28xw using factoring by grouping

factoring by grouping
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"Solution:Given 20xy+7zw-5yz-28xw
=4x(5y-7w)-z(5y-7w)
=(5y-7w)(4x-z)
there for (5y-7w)(4x-z) are the factor"
by Level 4 User (5.6k points)

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