(6u+4)^2-21=-39

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Solution for (6u+4)^2-21=-39 equation: 



(6u+4)^2-21=-39

We move all terms to the left:

(6u+4)^2-21-(-39)=0

We add all the numbers together, and all the variables

(6u+4)^2+18=0

We move all terms containing u to the left, all other terms to the right

(6u+4)^2=-18

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