2x2+29x-7.7=0

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Solution for 2x2+29x-7.7=0 equation:



2x^2+29x-7.7=0
a = 2; b = 29; c = -7.7;
Δ = b2-4ac
Δ = 292-4·2·(-7.7)
Δ = 902.6
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(29)-\sqrt{902.6}}{2*2}=\frac{-29-\sqrt{902.6}}{4} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(29)+\sqrt{902.6}}{2*2}=\frac{-29+\sqrt{902.6}}{4} $

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