(-x+3)(6x-2)=0

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Solution for (-x+3)(6x-2)=0 equation:



(-x+3)(6x-2)=0
We add all the numbers together, and all the variables
(-1x+3)(6x-2)=0
We multiply parentheses ..
(-6x^2+2x+18x-6)=0
We get rid of parentheses
-6x^2+2x+18x-6=0
We add all the numbers together, and all the variables
-6x^2+20x-6=0
a = -6; b = 20; c = -6;
Δ = b2-4ac
Δ = 202-4·(-6)·(-6)
Δ = 256
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{256}=16$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(20)-16}{2*-6}=\frac{-36}{-12} =+3 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(20)+16}{2*-6}=\frac{-4}{-12} =1/3 $

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