12x2+9x2=

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Solution for 12x2+9x2= equation: 



12x^2+9x^2=

We move all terms to the left:

12x^2+9x^2-()=0

We add all the numbers together, and all the variables

21x^2=0

a = 21; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·21·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{42}=0$

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