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Mathematics 9 Online
OpenStudy (bananas1234):

What number should be added to the expression x^2 + 12x to change it into a perfect square trinomial? Is 36 correct?

OpenStudy (anonymous):

\[a^2+2*a*b+b^2=(a+b)^2\]

jimthompson5910 (jim_thompson5910):

correct

OpenStudy (bananas1234):

Thanks

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