4x^2+5x=4096

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Solution for 4x^2+5x=4096 equation:



4x^2+5x=4096
We move all terms to the left:
4x^2+5x-(4096)=0
a = 4; b = 5; c = -4096;
Δ = b2-4ac
Δ = 52-4·4·(-4096)
Δ = 65561
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(5)-\sqrt{65561}}{2*4}=\frac{-5-\sqrt{65561}}{8} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(5)+\sqrt{65561}}{2*4}=\frac{-5+\sqrt{65561}}{8} $

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