3x2-11x-70=0

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Solution for 3x2-11x-70=0 equation:



3x^2-11x-70=0
a = 3; b = -11; c = -70;
Δ = b2-4ac
Δ = -112-4·3·(-70)
Δ = 961
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{961}=31$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-11)-31}{2*3}=\frac{-20}{6} =-3+1/3 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-11)+31}{2*3}=\frac{42}{6} =7 $

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