0=27x^2+90x+75

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Solution for 0=27x^2+90x+75 equation: 



0=27x^2+90x+75

We move all terms to the left:

0-(27x^2+90x+75)=0

We add all the numbers together, and all the variables

-(27x^2+90x+75)=0

We get rid of parentheses

-27x^2-90x-75=0

a = -27; b = -90; c = -75;
Δ = b2-4ac
Δ = -902-4·(-27)·(-75)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{90}{-54}=-1+2/3$

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