a^2=6.4a2=6.4

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Solution for a^2=6.4a2=6.4 equation: 



a^2=6.4a^2=6.4

We move all terms to the left:

a^2-(6.4a^2)=0

We get rid of parentheses

a^2-6.4a^2=0

We add all the numbers together, and all the variables

-5.4a^2=0

a = -5.4; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-5.4)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$a=\frac{-b}{2a}=\frac{0}{-10.8}=0$

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