X2+5x-6=-3x-22

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Solution for X2+5x-6=-3x-22 equation: 



X2+5X-6=-3X-22

We move all terms to the left:

X2+5X-6-(-3X-22)=0

We add all the numbers together, and all the variables

X^2+5X-(-3X-22)-6=0

We get rid of parentheses

X^2+5X+3X+22-6=0

We add all the numbers together, and all the variables

X^2+8X+16=0

a = 1; b = 8; c = +16;
Δ = b2-4ac
Δ = 82-4·1·16
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

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

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