4x(x-6)=-36

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Solution for 4x(x-6)=-36 equation: 



4x(x-6)=-36

We move all terms to the left:

4x(x-6)-(-36)=0

We add all the numbers together, and all the variables

4x(x-6)+36=0

We multiply parentheses

4x^2-24x+36=0

a = 4; b = -24; c = +36;
Δ = b2-4ac
Δ = -242-4·4·36
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{24}{8}=3$

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