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OpenStudy (anonymous):
which of the following correctly completes the square for the equation below? x^2+2x=19 A. (x+2)^2=19 B. (x+2)^2=20 C. (x+1)^2=23 D. (x+2)^2=23 Please help!
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OpenStudy (anonymous):
I think a or d, but I'm not totally Shure
OpenStudy (anonymous):
how would i work the problem out?
OpenStudy (anonymous):
think in your head what looks right to you?
OpenStudy (anonymous):
try to rewrite it in a different order
OpenStudy (anonymous):
its C
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OpenStudy (anonymous):
oh
OpenStudy (anonymous):
i had to do the FOIL method
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