7q2-25q=0

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Solution for 7q2-25q=0 equation:



7q^2-25q=0
a = 7; b = -25; c = 0;
Δ = b2-4ac
Δ = -252-4·7·0
Δ = 625
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$q_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$q_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{625}=25$
$q_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-25)-25}{2*7}=\frac{0}{14} =0 $
$q_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-25)+25}{2*7}=\frac{50}{14} =3+4/7 $

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