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OpenStudy (bananas1234):
What number should be added to the expression x^2 + 2x to change it into a perfect square trinomial? Is 4 correct?
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jimthompson5910 (jim_thompson5910):
4 is incorrect
jimthompson5910 (jim_thompson5910):
take half of the x coefficient 2 then square that result
OpenStudy (bananas1234):
1?
OpenStudy (bananas1234):
@jim_thompson5910
jimthompson5910 (jim_thompson5910):
yes 1
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OpenStudy (bananas1234):
Thank you
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