0=25x^2+50x+25

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Solution for 0=25x^2+50x+25 equation: 



0=25x^2+50x+25

We move all terms to the left:

0-(25x^2+50x+25)=0

We add all the numbers together, and all the variables

-(25x^2+50x+25)=0

We get rid of parentheses

-25x^2-50x-25=0

a = -25; b = -50; c = -25;
Δ = b2-4ac
Δ = -502-4·(-25)·(-25)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{50}{-50}=-1$

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