Question Simplify the expression x4−2x2y2+y4 Evaluate (x2−y2)2Use (a−b)2=a2−2ab+b2 to expand the expression (x2)2−2x2y2+(y2)2Solution x4−2x2y2+y4 Show Solution Factor the expression (x+y)2(x−y)2 Evaluate (x2−y2)2Use a2−b2=(a−b)(a+b) to factor the expression ((x+y)(x−y))2Solution (x+y)2(x−y)2 Show Solution
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