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OpenStudy (anonymous):
What number must you add to complete the square? x^2+12x=16
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OpenStudy (anonymous):
not really sure what this means. i would take half of 12 get 6, then square 6 to get 36 and say the answer is 36
OpenStudy (anonymous):
to make any quadratic equation of the form \[ax ^{2}+bx+c\] a perfect square add \[b ^{2}/4a\]
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