2x(3x-2)=-9x+6

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Solution for 2x(3x-2)=-9x+6 equation:



2x(3x-2)=-9x+6
We move all terms to the left:
2x(3x-2)-(-9x+6)=0
We multiply parentheses
6x^2-4x-(-9x+6)=0
We get rid of parentheses
6x^2-4x+9x-6=0
We add all the numbers together, and all the variables
6x^2+5x-6=0
a = 6; b = 5; c = -6;
Δ = b2-4ac
Δ = 52-4·6·(-6)
Δ = 169
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{169}=13$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(5)-13}{2*6}=\frac{-18}{12} =-1+1/2 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(5)+13}{2*6}=\frac{8}{12} =2/3 $

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