18x^2+2x-10=0

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Solution for 18x^2+2x-10=0 equation:



18x^2+2x-10=0
a = 18; b = 2; c = -10;
Δ = b2-4ac
Δ = 22-4·18·(-10)
Δ = 724
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

The end solution:
$\sqrt{\Delta}=\sqrt{724}=\sqrt{4*181}=\sqrt{4}*\sqrt{181}=2\sqrt{181}$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(2)-2\sqrt{181}}{2*18}=\frac{-2-2\sqrt{181}}{36} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(2)+2\sqrt{181}}{2*18}=\frac{-2+2\sqrt{181}}{36} $

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