(u+2)(u-2)=(u^2+4)

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



(u+2)(u-2)=(u^2+4)
We move all terms to the left:
(u+2)(u-2)-((u^2+4))=0
We use the square of the difference formula
u^2-((u^2+4))-4=0
We calculate terms in parentheses: -((u^2+4)), so:
(u^2+4)
We get rid of parentheses
u^2+4
Back to the equation:
-(u^2+4)
We get rid of parentheses
u^2-u^2-4-4=0
We add all the numbers together, and all the variables
-8!=0
There is no solution for this equation

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