Msfluffy84 Msfluffy84

30-05-2017
Mathematics

contestada

Simplify (3n – 2m)2 = ?

A. 9n2 – 12mn – 4m2
B. 9n2 – 12mn + 4m2
C. 9n2 + 12mn + 4m2
D. 6n2 – 12mn – 4m2

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willclerk401401 willclerk401401

01-06-2017

If you mean (3n-2m)^2 then the answer is
9n^2-12mn+4m^2
So B

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