9p2=12p-4

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Solution for 9p2=12p-4 equation: 



9p^2=12p-4

We move all terms to the left:

9p^2-(12p-4)=0

We get rid of parentheses

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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