X^2-5x=54

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Solution for X^2-5x=54 equation:



X^2-5X=54
We move all terms to the left:
X^2-5X-(54)=0
a = 1; b = -5; c = -54;
Δ = b2-4ac
Δ = -52-4·1·(-54)
Δ = 241
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{241}}{2*1}=\frac{5-\sqrt{241}}{2} $
$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-5)+\sqrt{241}}{2*1}=\frac{5+\sqrt{241}}{2} $

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