1v+-9/10v+6=11

Solution for 1v+-9/10v+6=11 equation:

1v+-9/10v+6=11

We move all terms to the left:

1v+-9/10v+6-(11)=0


Domain of the equation: 10v!=0

v!=0/10

v!=0

v∈R


determiningTheFunctionDomain
1v-9/10v+6-11+=0

We add all the numbers together, and all the variables

v-9/10v=0

We multiply all the terms by the denominator


v*10v-9=0

Wy multiply elements

10v^2-9=0

a = 10; b = 0; c = -9;
Δ = b2-4ac
Δ = 02-4·10·(-9)
Δ = 360
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$v_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$v_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

The end solution:

$\sqrt{\Delta}=\sqrt{360}=\sqrt{36*10}=\sqrt{36}*\sqrt{10}=6\sqrt{10}$
$v_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-6\sqrt{10}}{2*10}=\frac{0-6\sqrt{10}}{20}
=-\frac{6\sqrt{10}}{20}
=-\frac{3\sqrt{10}}{10}
$
$v_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+6\sqrt{10}}{2*10}=\frac{0+6\sqrt{10}}{20}
=\frac{6\sqrt{10}}{20}
=\frac{3\sqrt{10}}{10}
$