(r+50)2=r2+802

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Solution for (r+50)2=r2+802 equation: 



(r+50)2=r2+802

We move all terms to the left:

(r+50)2-(r2+802)=0

We add all the numbers together, and all the variables

-(+r^2+802)+(r+50)2=0

We multiply parentheses

-(+r^2+802)+2r+100=0

We get rid of parentheses

-r^2+2r-802+100=0

We add all the numbers together, and all the variables

-1r^2+2r-702=0

a = -1; b = 2; c = -702;
Δ = b2-4ac
Δ = 22-4·(-1)·(-702)
Δ = -2804
Delta is less than zero, so there is no solution for the equation

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