10r^2+6r=0

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Solution for 10r^2+6r=0 equation: 



10r^2+6r=0

a = 10; b = 6; c = 0;
Δ = b2-4ac
Δ = 62-4·10·0
Δ = 36
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$r_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$r_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{36}=6$


$r_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(6)-6}{2*10}=\frac{-12}{20}
=-3/5
$


$r_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(6)+6}{2*10}=\frac{0}{20}
=0
$

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