-2u=(-8)/9

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Solution for -2u=(-8)/9 equation: 



-2u=(-8)/9

We move all terms to the left:

-2u-((-8)/9)=0

We multiply all the terms by the denominator


-2u*9)-((-8)=0

Wy multiply elements

-18u^2=0

a = -18; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-18)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$u=\frac{-b}{2a}=\frac{0}{-36}=0$

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