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Factor this expression completely and then place the factors in the proper location on the grid. Note: Place factors alphabetically in the grid! mn - 4m - 5n + 20
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Factor this expression completely and then place the factors in the proper location on the grid. Note: Place factors alphabetically in the grid! mn - 4m - 5n + 20

User Radomeit
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1 Answer

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mn - 4m - 5n + 20

(mn - 4m) + (-5n + 20)

m(n - 4) + (-5n + 20)

m(n - 4) - 5(n - 4)

(m - 5)(n - 4)

So mn - 4m - 5n + 20 completely factors to (m - 5)(n - 4)
User Didac Perez Parera
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