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Mathematics 21 Online
OpenStudy (anonymous):

What value completes the square for the following? x^2 + 8x + __ A. 4 B. 8 C. 16 D. 32

OpenStudy (anonymous):

16 because (x+4)(x+4) --> x^2 +4x +4x +16

OpenStudy (anonymous):

Thanks so much!

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