9x2-61x+52=0

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Solution for 9x2-61x+52=0 equation:



9x^2-61x+52=0
a = 9; b = -61; c = +52;
Δ = b2-4ac
Δ = -612-4·9·52
Δ = 1849
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1849}=43$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-61)-43}{2*9}=\frac{18}{18} =1 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-61)+43}{2*9}=\frac{104}{18} =5+7/9 $

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