x2+9x2=13x2

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Solution for x2+9x2=13x2 equation: 



x2+9x^2=13x^2

We move all terms to the left:

x2+9x^2-(13x^2)=0

determiningTheFunctionDomain
9x^2-13x^2+x2=0

We add all the numbers together, and all the variables

-3x^2=0

a = -3; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-3)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{-6}=0$

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