4x2+x=135

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Solution for 4x2+x=135 equation:



4x^2+x=135
We move all terms to the left:
4x^2+x-(135)=0
a = 4; b = 1; c = -135;
Δ = b2-4ac
Δ = 12-4·4·(-135)
Δ = 2161
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{-(1)-\sqrt{2161}}{2*4}=\frac{-1-\sqrt{2161}}{8} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(1)+\sqrt{2161}}{2*4}=\frac{-1+\sqrt{2161}}{8} $

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