-16x2+x+120=0

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Solution for -16x2+x+120=0 equation:



-16x^2+x+120=0
a = -16; b = 1; c = +120;
Δ = b2-4ac
Δ = 12-4·(-16)·120
Δ = 7681
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{7681}}{2*-16}=\frac{-1-\sqrt{7681}}{-32} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(1)+\sqrt{7681}}{2*-16}=\frac{-1+\sqrt{7681}}{-32} $

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