2x^2-6x+2=-5/2

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Solution for 2x^2-6x+2=-5/2 equation: 



2x^2-6x+2=-5/2

We move all terms to the left:

2x^2-6x+2-(-5/2)=0

We get rid of parentheses

2x^2-6x+2+5/2=0

We multiply all the terms by the denominator


2x^2*2-6x*2+5+2*2=0

We add all the numbers together, and all the variables

2x^2*2-6x*2+9=0

Wy multiply elements

4x^2-12x+9=0

a = 4; b = -12; c = +9;
Δ = b2-4ac
Δ = -122-4·4·9
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{12}{8}=1+1/2$

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