Algebra 2 Quiz
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POLYNOMIAL IDENTITIES
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Prove the polynomial identity (x2+y2)2=(x2−y2)2+(2xy)2(x^2 + y^2)^2 = (x^2 - y^2)^2 + (2xy)^2 for all real x,yx, y by expanding both sides and simplifying. Which option correctly completes the proof?​
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