(-1)+(9/2)(n)=0

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Solution for (-1)+(9/2)(n)=0 equation:



(-1)+(9/2)(n)=0
Domain of the equation: 2)n!=0
n!=0/1
n!=0
n∈R
We add all the numbers together, and all the variables
(+9/2)n+(-1)=0
We add all the numbers together, and all the variables
(+9/2)n-1=0
We multiply parentheses
9n^2-1=0
a = 9; b = 0; c = -1;
Δ = b2-4ac
Δ = 02-4·9·(-1)
Δ = 36
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$n_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$n_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{36}=6$
$n_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-6}{2*9}=\frac{-6}{18} =-1/3 $
$n_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+6}{2*9}=\frac{6}{18} =1/3 $

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