4x^2+3x^2-13x-6=0

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Solution for 4x^2+3x^2-13x-6=0 equation:



4x^2+3x^2-13x-6=0
We add all the numbers together, and all the variables
7x^2-13x-6=0
a = 7; b = -13; c = -6;
Δ = b2-4ac
Δ = -132-4·7·(-6)
Δ = 337
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{-(-13)-\sqrt{337}}{2*7}=\frac{13-\sqrt{337}}{14} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-13)+\sqrt{337}}{2*7}=\frac{13+\sqrt{337}}{14} $

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