4p2+9p=0

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Solution for 4p2+9p=0 equation: 



4p^2+9p=0

a = 4; b = 9; c = 0;
Δ = b2-4ac
Δ = 92-4·4·0
Δ = 81
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$p_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$p_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{81}=9$


$p_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(9)-9}{2*4}=\frac{-18}{8}
=-2+1/4
$


$p_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(9)+9}{2*4}=\frac{0}{8}
=0
$

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