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To factor a perfect square, it should be in the form a2+2ab+b2

For example: 9x2+18xy+9y2

First factor out the 9: 9(x2+2xy+y2)

Make a2+2ab+b2 into (a+b)2 : 9(x+y)2

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16y ago
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Q: Factor a perfect square
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