(24)(48)=(2x-8)(x+8)

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Solution for (24)(48)=(2x-8)(x+8) equation:



(24)(48)=(2x-8)(x+8)
We move all terms to the left:
(24)(48)-((2x-8)(x+8))=0
We multiply parentheses ..
-((+2x^2+16x-8x-64))+2448=0
We calculate terms in parentheses: -((+2x^2+16x-8x-64)), so:
(+2x^2+16x-8x-64)
We get rid of parentheses
2x^2+16x-8x-64
We add all the numbers together, and all the variables
2x^2+8x-64
Back to the equation:
-(2x^2+8x-64)
We get rid of parentheses
-2x^2-8x+64+2448=0
We add all the numbers together, and all the variables
-2x^2-8x+2512=0
a = -2; b = -8; c = +2512;
Δ = b2-4ac
Δ = -82-4·(-2)·2512
Δ = 20160
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

The end solution:
$\sqrt{\Delta}=\sqrt{20160}=\sqrt{576*35}=\sqrt{576}*\sqrt{35}=24\sqrt{35}$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-8)-24\sqrt{35}}{2*-2}=\frac{8-24\sqrt{35}}{-4} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-8)+24\sqrt{35}}{2*-2}=\frac{8+24\sqrt{35}}{-4} $

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