factorise
(m-n) ^2+4mn
Answers
Answered by
6
(m-n)^2+4mn
=m^2+n^2-2mn+4mn
=m^2+n^2+2mn
=(m+n)^2
Answered by
6
(m-n)^2+4mn
=m^2+n^2-2mn+4mn
=m^2+n^2+2mn
=(m+n)^2
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