3x^2+9x-154=0

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Solution for 3x^2+9x-154=0 equation:



3x^2+9x-154=0
a = 3; b = 9; c = -154;
Δ = b2-4ac
Δ = 92-4·3·(-154)
Δ = 1929
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{-(9)-\sqrt{1929}}{2*3}=\frac{-9-\sqrt{1929}}{6} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(9)+\sqrt{1929}}{2*3}=\frac{-9+\sqrt{1929}}{6} $

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