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How many unit tiles need to added to the expression x^2+4x+3 to form the perfect square trinomial?
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3 votes
How many unit tiles need to added to the expression x^2+4x+3 to form the perfect square trinomial?

User Marcothesane
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1 Answer

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x^2 + 4x + 3 + 1 = (x + 2)^2

So 1 need to be added.

User Jarvis
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