(2x+3)(3x-2)=5

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Solution for (2x+3)(3x-2)=5 equation:



(2x+3)(3x-2)=5
We move all terms to the left:
(2x+3)(3x-2)-(5)=0
We multiply parentheses ..
(+6x^2-4x+9x-6)-5=0
We get rid of parentheses
6x^2-4x+9x-6-5=0
We add all the numbers together, and all the variables
6x^2+5x-11=0
a = 6; b = 5; c = -11;
Δ = b2-4ac
Δ = 52-4·6·(-11)
Δ = 289
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{289}=17$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(5)-17}{2*6}=\frac{-22}{12} =-1+5/6 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(5)+17}{2*6}=\frac{12}{12} =1 $

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