-12x2=-1200

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Solution for -12x2=-1200 equation:



-12x^2=-1200
We move all terms to the left:
-12x^2-(-1200)=0
We add all the numbers together, and all the variables
-12x^2+1200=0
a = -12; b = 0; c = +1200;
Δ = b2-4ac
Δ = 02-4·(-12)·1200
Δ = 57600
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{57600}=240$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-240}{2*-12}=\frac{-240}{-24} =+10 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+240}{2*-12}=\frac{240}{-24} =-10 $

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