t^2+9t-6=0

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Solution for t^2+9t-6=0 equation: 



t^2+9t-6=0

a = 1; b = 9; c = -6;
Δ = b2-4ac
Δ = 92-4·1·(-6)
Δ = 105
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$t_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$t_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$t_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(9)-\sqrt{105}}{2*1}=\frac{-9-\sqrt{105}}{2}
$


$t_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(9)+\sqrt{105}}{2*1}=\frac{-9+\sqrt{105}}{2}
$

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