Z^2+2z=4

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Solution for Z^2+2z=4 equation: 



^2+2Z=4

We move all terms to the left:

^2+2Z-(4)=0

determiningTheFunctionDomain
2Z-4+^2=0

We add all the numbers together, and all the variables

2Z=0

Z=0/2

Z=0

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