29=57x-5x^2

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Solution for 29=57x-5x^2 equation:



29=57x-5x^2
We move all terms to the left:
29-(57x-5x^2)=0
We get rid of parentheses
5x^2-57x+29=0
a = 5; b = -57; c = +29;
Δ = b2-4ac
Δ = -572-4·5·29
Δ = 2669
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{-(-57)-\sqrt{2669}}{2*5}=\frac{57-\sqrt{2669}}{10} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-57)+\sqrt{2669}}{2*5}=\frac{57+\sqrt{2669}}{10} $

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