m^2+2m;m^2-n^2;2mn-3m^2
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Answer:
Correct answer is
m2(m2+n4)
(m2−n2m)2+2m3n2
=(m2)2−2(m2)(n2m)+(n2m)2+2m3n2
=m4−2m3n2+m2n4+2m3n2
=m4+m2n4
=m2(m2+n4)
pls mark as brainleast
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