OpenStudy (anonymous):

Which number completes the perfect square trinomial? x^2+20x? A. 40 B. 100 C. 25 D. 80

5 years ago
OpenStudy (anonymous):

B

5 years ago
OpenStudy (cwrw238):

B

5 years ago
OpenStudy (cwrw238):

x^2 + 20x + 100 = (x+10)^2

5 years ago
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