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OpenStudy (anonymous):
What value completes the square for the following? x2 + 8x + __ A. 4 B. 8 C. 16 D. 32
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OpenStudy (atlas):
Can you tell what is (a+b)^2 = ?
OpenStudy (anonymous):
no
OpenStudy (atlas):
can you multiply (a+b)(a+b)
OpenStudy (anonymous):
yes
OpenStudy (atlas):
what do you get?
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OpenStudy (anonymous):
well i dont kow which ones are a and b
OpenStudy (anonymous):
It is 16 x^2+8x+16=(x+4)^2
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