20w2+88w+32=0

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Solution for 20w2+88w+32=0 equation:



20w^2+88w+32=0
a = 20; b = 88; c = +32;
Δ = b2-4ac
Δ = 882-4·20·32
Δ = 5184
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$w_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$w_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{5184}=72$
$w_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(88)-72}{2*20}=\frac{-160}{40} =-4 $
$w_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(88)+72}{2*20}=\frac{-16}{40} =-2/5 $

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