(3x-2)(4x=4)

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Solution for (3x-2)(4x=4) equation:



(3x-2)(4x=4)
We move all terms to the left:
(3x-2)(4x-(4))=0
We multiply parentheses ..
(+12x^2-12x-8x+8)=0
We get rid of parentheses
12x^2-12x-8x+8=0
We add all the numbers together, and all the variables
12x^2-20x+8=0
a = 12; b = -20; c = +8;
Δ = b2-4ac
Δ = -202-4·12·8
Δ = 16
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{16}=4$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-20)-4}{2*12}=\frac{16}{24} =2/3 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-20)+4}{2*12}=\frac{24}{24} =1 $

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