10x2-41x+40=0

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Solution for 10x2-41x+40=0 equation:



10x^2-41x+40=0
a = 10; b = -41; c = +40;
Δ = b2-4ac
Δ = -412-4·10·40
Δ = 81
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{81}=9$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-41)-9}{2*10}=\frac{32}{20} =1+3/5 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-41)+9}{2*10}=\frac{50}{20} =2+1/2 $

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