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myrzilka [38]
3 years ago
15

Factor this expression completely and then place the factors in the proper location on the grid. Note: Place factors alphabetica

lly in the grid! mn - 4m - 5n + 20
Mathematics
1 answer:
hram777 [196]3 years ago
8 0
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)
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