-9p^2+12p+1=5

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Solution for -9p^2+12p+1=5 equation: 



-9p^2+12p+1=5

We move all terms to the left:

-9p^2+12p+1-(5)=0

We add all the numbers together, and all the variables

-9p^2+12p-4=0

a = -9; b = 12; c = -4;
Δ = b2-4ac
Δ = 122-4·(-9)·(-4)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$p=\frac{-b}{2a}=\frac{-12}{-18}=2/3$

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