(4x-3)(2/3x-6)=0

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Solution for (4x-3)(2/3x-6)=0 equation:



(4x-3)(2/3x-6)=0
Domain of the equation: 3x-6)!=0
x∈R
We multiply parentheses ..
(+8x^2-24x-6x+18)=0
We get rid of parentheses
8x^2-24x-6x+18=0
We add all the numbers together, and all the variables
8x^2-30x+18=0
a = 8; b = -30; c = +18;
Δ = b2-4ac
Δ = -302-4·8·18
Δ = 324
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{324}=18$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-30)-18}{2*8}=\frac{12}{16} =3/4 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-30)+18}{2*8}=\frac{48}{16} =3 $

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