0=5a^2-10a+5

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Solution for 0=5a^2-10a+5 equation: 



0=5a^2-10a+5

We move all terms to the left:

0-(5a^2-10a+5)=0

We add all the numbers together, and all the variables

-(5a^2-10a+5)=0

We get rid of parentheses

-5a^2+10a-5=0

a = -5; b = 10; c = -5;
Δ = b2-4ac
Δ = 102-4·(-5)·(-5)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$a=\frac{-b}{2a}=\frac{-10}{-10}=1$

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