SOLUTION: z^2+18=-11z
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Question 285354: z^2+18=-11z
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
z^2+18=-11z
z^2+11z+18=0
(z+9)(z+2)=0
z+9=0 or z+2=0
z=-9 or z=-2 <---------- Answers
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