10p^2+18p+8=0

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Solution for 10p^2+18p+8=0 equation:



10p^2+18p+8=0
a = 10; b = 18; c = +8;
Δ = b2-4ac
Δ = 182-4·10·8
Δ = 4
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$p_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$p_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{4}=2$
$p_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(18)-2}{2*10}=\frac{-20}{20} =-1 $
$p_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(18)+2}{2*10}=\frac{-16}{20} =-4/5 $

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