Question

the dimensions of a triangle are (8mn+9n²)cm,(4m²-20m+25)cm, and (49m²-56m+16)cm. express it's perimeter in factored form​

Answer 1

Answer:

$perimeter = 8mn + 9 {n}^{2} + 4 {m}^{2} - 20m + 25 + 49 {m}^{2} - 56m + 16 =$

$53 {m}^{2} + 8mn - 76m + 41$

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