3x^2+5x-56=0

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Solution for 3x^2+5x-56=0 equation:



3x^2+5x-56=0
a = 3; b = 5; c = -56;
Δ = b2-4ac
Δ = 52-4·3·(-56)
Δ = 697
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{-(5)-\sqrt{697}}{2*3}=\frac{-5-\sqrt{697}}{6} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(5)+\sqrt{697}}{2*3}=\frac{-5+\sqrt{697}}{6} $

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