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OpenStudy (anonymous):
What number must you add to complete the square? x2 + 4x = 15
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Parth (parthkohli):
You must add (b/2)^2 (4/2)^2 2^2 4
Parth (parthkohli):
4 is the answer.
OpenStudy (anonymous):
Thankyou very much
Parth (parthkohli):
:)
OpenStudy (precal):
|dw:1337888509375:dw| in reality you are really adding a zero +4-4
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