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OpenStudy (anonymous):
@acxbox22 What number should be added to the expression x2 + 2x to change it into a perfect square trinomial? A. 1 B. 2 C. 3 D. 4
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OpenStudy (anonymous):
|dw:1400720510606:dw|
OpenStudy (acxbox22):
divide 2 by 2 and square your result
OpenStudy (anonymous):
1
OpenStudy (acxbox22):
the original way is to divide your b term by 2 and square that to fabricate a perfect square trinomial
OpenStudy (acxbox22):
yes you are right
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