SOLUTION: what is the answer to 81x4-16y4
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Question 137913
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what is the answer to 81x4-16y4
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checkley77(12844)
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81x4-16y4
(9x^2+4y^2)(9x^2-4y^2)
(9x^2+4y^2)(3x+2y)(3x-2y)
(