Question Simplify the expression y2−2yk+k2−x2+2xh−h2 Evaluate (y−k)2−(x−h)2Expand the expression y2−2yk+k2−(x−h)2Solution y2−2yk+k2−x2+2xh−h2 Show Solution Factor the expression (y−k−x+h)(y−k+x−h) Evaluate (y−k)2−(x−h)2Use a2−b2=(a−b)(a+b) to factor the expression (y−k−(x−h))(y−k+x−h)Solution (y−k−x+h)(y−k+x−h) Show Solution
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