(x+4)2=82+x2

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Solution for (x+4)2=82+x2 equation:



(x+4)2=82+x2
We move all terms to the left:
(x+4)2-(82+x2)=0
We add all the numbers together, and all the variables
-(+x^2+82)+(x+4)2=0
We multiply parentheses
-(+x^2+82)+2x+8=0
We get rid of parentheses
-x^2+2x-82+8=0
We add all the numbers together, and all the variables
-1x^2+2x-74=0
a = -1; b = 2; c = -74;
Δ = b2-4ac
Δ = 22-4·(-1)·(-74)
Δ = -292
Delta is less than zero, so there is no solution for the equation

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