SOLUTION: a square has an area of 4x^2+12xy+9y^2 square meters. what is the perimeter of the square

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Question 862916: a square has an area of 4x^2+12xy+9y^2 square meters. what is the perimeter of the square
Answer by josgarithmetic(39617) About Me  (Show Source):
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Trial and error factoring method, %282x%2B3y%29%5E2 is the area. Each side is of number, 2x%2B3y. The perimeter is the sum of four of these, so
4%282x%2B3y%29
8x%2B12y