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OpenStudy (anonymous):
what number must you add in order to make x^2+22x=0 a complete square?
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OpenStudy (anonymous):
11^2
OpenStudy (anonymous):
121 on left hand side
OpenStudy (anonymous):
half of 22 is 11, 11 squared is 121 what dheeraj said
OpenStudy (anonymous):
u dont juz add on the LHS u must also add on the RHS
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