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"if the area of a square is 4x^2-12xy+9y^2 , what is its perimeter?" *what will i do first with the area????????

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Your area is already given, and you'd find the square root to get the measure of a side.
can u factor the equation : 4x^2-12xy+9y^2
Do you know how to complete the square?

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Other answers:

4x^2-12xy+9y^2 factored = (2x-3y)(2x-3y)
thats right :) so its (2x-3y)^2 right ?
AREA =side^2 so what will be the side if area is (2x-3y)^2
area=(2x-3y)^2= s^2 s=2x-3y and perimeter is 4s= 4(2x-3y) i guess....
i wanted @stupidinmath to try that^
(2x-3y)+(2x-3y)+(2x-3y)+(2x-3y) =8x^4-12y^4? or . . . 4(2x-3y) =8x-12y? .______________________________.
since u are adding and not multiplying all sides, it will be 8x-12y
welcome :)

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