16x^2+21x-17=0

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Solution for 16x^2+21x-17=0 equation:



16x^2+21x-17=0
a = 16; b = 21; c = -17;
Δ = b2-4ac
Δ = 212-4·16·(-17)
Δ = 1529
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{-(21)-\sqrt{1529}}{2*16}=\frac{-21-\sqrt{1529}}{32} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(21)+\sqrt{1529}}{2*16}=\frac{-21+\sqrt{1529}}{32} $

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