A triangle has side lengths of 3m2 + In-2, -2m2 + 7m - 4n+ 5 and 8m2+n+ + 6m + 1. What is the perimeter of the triangle?
2:
a)
11m2 + m - 11n +6
b) 9m2 + m2 + 13m + 3n + 8
3:
c) None of these
d)
24m2 - 2n +42m - 28n-10
e) 11m2 - n° +13m + 3n+4

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