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What number should be added to the expression x2+6x to change it into a perfect square trinomial?

User Bob Dem
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2 Answers

2 votes

Answer:

9

Explanation:

User Joebet Mutia
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The answer is 9. x^2 + 6x + 9. You take 6/2, which is 3 then you would square it, which would give you 9. 
User God
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