9-6x=3x^2-8x+2

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Solution for 9-6x=3x^2-8x+2 equation:



9-6x=3x^2-8x+2
We move all terms to the left:
9-6x-(3x^2-8x+2)=0
We get rid of parentheses
-3x^2-6x+8x-2+9=0
We add all the numbers together, and all the variables
-3x^2+2x+7=0
a = -3; b = 2; c = +7;
Δ = b2-4ac
Δ = 22-4·(-3)·7
Δ = 88
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

The end solution:
$\sqrt{\Delta}=\sqrt{88}=\sqrt{4*22}=\sqrt{4}*\sqrt{22}=2\sqrt{22}$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(2)-2\sqrt{22}}{2*-3}=\frac{-2-2\sqrt{22}}{-6} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(2)+2\sqrt{22}}{2*-3}=\frac{-2+2\sqrt{22}}{-6} $

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