-5y2=7y2

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Solution for -5y2=7y2 equation: 



-5y^2=7y^2

We move all terms to the left:

-5y^2-(7y^2)=0

We add all the numbers together, and all the variables

-12y^2=0

a = -12; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-12)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$y=\frac{-b}{2a}=\frac{0}{-24}=0$

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