3x+1/x+7=0

Simple and best practice solution for 3x+1/x+7=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3x+1/x+7=0 equation:



3x+1/x+7=0
Domain of the equation: x!=0
x∈R
We multiply all the terms by the denominator
3x*x+7*x+1=0
We add all the numbers together, and all the variables
7x+3x*x+1=0
Wy multiply elements
3x^2+7x+1=0
a = 3; b = 7; c = +1;
Δ = b2-4ac
Δ = 72-4·3·1
Δ = 37
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{-(7)-\sqrt{37}}{2*3}=\frac{-7-\sqrt{37}}{6} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(7)+\sqrt{37}}{2*3}=\frac{-7+\sqrt{37}}{6} $

See similar equations:

| x/4+(440-x)/5=100 | | 2=9z-4 | | x+x+1=373 | | |4-1/3x|=6 | | 2x=450-x | | 4(m+4)=–8. | | 17(2-x)-5(x×12)/1-7x=8 | | 4X+5y=100=X+Y=440 | | -250=-10x | | x^2+x+419=0 | | 20-x=52 | | x+1+x=1,10 | | x-2=-28 | | 6s+26=-7 | | 4x2-16x+25=0 | | 18x=+27 | | 15-7p=-13 | | 4s+15=7s+15 | | 9x+5=2x-9 | | 30-7w=3w | | 4K-3=2-21k | | (216)^x=(1296)^-1/4*6^x-1 | | 2k=13+k-6 | | 3x=11.4 | | 2x2–4x–7=0 | | 2(p+1)-7(3p-2)=7(p-4) | | 7y+3=-21 | | (2111)x=(623)8 | | -0.000192x^2+0.02x=0 | | 48n+36=36n+30 | | 1x-3=1+7x | | -3y-7=11 |

Equations solver categories