5x+5=12x^2-12x

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Solution for 5x+5=12x^2-12x equation:



5x+5=12x^2-12x
We move all terms to the left:
5x+5-(12x^2-12x)=0
We get rid of parentheses
-12x^2+5x+12x+5=0
We add all the numbers together, and all the variables
-12x^2+17x+5=0
a = -12; b = 17; c = +5;
Δ = b2-4ac
Δ = 172-4·(-12)·5
Δ = 529
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{529}=23$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(17)-23}{2*-12}=\frac{-40}{-24} =1+2/3 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(17)+23}{2*-12}=\frac{6}{-24} =-1/4 $

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