Question Factor the expression −(y+x+1)(y−x+1) Evaluate x2−y2−2y−1Calculate −y2+yx−y−xy+x2−x−y+x−1Rewrite the expression −y×y+yx−y−xy+x×x−x−y+x−1Factor out −y from the expression −y(y−x+1)−xy+x×x−x−y+x−1Factor out −x from the expression −y(y−x+1)−x(y−x+1)−y+x−1Factor out −1 from the expression −y(y−x+1)−x(y−x+1)−(y−x+1)Factor out y−x+1 from the expression (−y−x−1)(y−x+1)Solution −(y+x+1)(y−x+1) Show Solution
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