If the area of a square is 9x^2 - 12xy + 4y^2, what is the perimeter of the square?
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Originally Posted by magentarita If the area of a square is 9x^2 - 12xy + 4y^2, what is the perimeter of the square? Hi magentarita, can be factored into Now we know that the area of a square is , where is one side. That means that We have 4 of them, so
Hi Therefore the length of the sides is 3x-2y (or 2y-3x depending by the the sign of this quantity) The perimeter is four times the length
Originally Posted by masters Hi magentarita, can be factored into Now we know that the area of a square is , where is one side. That means that We have 4 of them, so How do you factor this polynomial?
Originally Posted by masters Hi magentarita, can be factored into ---------------------- You should remember the formula that Here a = 3x & b= 2y
Originally Posted by magentarita How do you factor this polynomial? To learn how to factor quadratics, try some online lessons. :wink:
Originally Posted by ADARSH ---------------------- You should remember the formula that Here a = 3x & b= 2y Thank you for breaking down this question.
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