SOLUTION: Miss Sandy is fencing in her rectangular backyard which is 3x^2 feet wide and 4xy + 5x^3 y^2 feet long. Find perimeter of yard How much fencing does she need. Use mathematics to

Question 1147522: Miss Sandy is fencing in her rectangular backyard which is 3x^2 feet wide and 4xy + 5x^3 y^2 feet long.
Find perimeter of yard
How much fencing does she need. Use mathematics to justify your answer
Answer by ikleyn(52786) (Show Source): You can put this solution on YOUR website!
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Add 3x^2  two times; then add  4xy + 5x^3 y^2  two times to it.

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