(-2x^2)-8x-14=-6

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Solution for (-2x^2)-8x-14=-6 equation: 



(-2x^2)-8x-14=-6

We move all terms to the left:

(-2x^2)-8x-14-(-6)=0

We add all the numbers together, and all the variables

(-2x^2)-8x-8=0

We get rid of parentheses

-2x^2-8x-8=0

a = -2; b = -8; c = -8;
Δ = b2-4ac
Δ = -82-4·(-2)·(-8)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{8}{-4}=-2$

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