25y2-60y+81=45

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Solution for 25y2-60y+81=45 equation: 



25y^2-60y+81=45

We move all terms to the left:

25y^2-60y+81-(45)=0

We add all the numbers together, and all the variables

25y^2-60y+36=0

a = 25; b = -60; c = +36;
Δ = b2-4ac
Δ = -602-4·25·36
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$y=\frac{-b}{2a}=\frac{60}{50}=1+1/5$

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