3x^2+4x-11=13-10x

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Solution for 3x^2+4x-11=13-10x equation:



3x^2+4x-11=13-10x
We move all terms to the left:
3x^2+4x-11-(13-10x)=0
We add all the numbers together, and all the variables
3x^2+4x-(-10x+13)-11=0
We get rid of parentheses
3x^2+4x+10x-13-11=0
We add all the numbers together, and all the variables
3x^2+14x-24=0
a = 3; b = 14; c = -24;
Δ = b2-4ac
Δ = 142-4·3·(-24)
Δ = 484
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{484}=22$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(14)-22}{2*3}=\frac{-36}{6} =-6 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(14)+22}{2*3}=\frac{8}{6} =1+1/3 $

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