(u+3)^2=2u^2+3u-9

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Solution for (u+3)^2=2u^2+3u-9 equation: 



(u+3)^2=2u^2+3u-9

We move all terms to the left:

(u+3)^2-(2u^2+3u-9)=0

We get rid of parentheses

-2u^2+(u+3)^2-3u+9=0

We add all the numbers together, and all the variables

-2u^2-3u+(u+3)^2+9=0

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

-2u^2-3u+(u+3)^2=-9

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