3x2-9x+1=0

Simple and best practice solution for 3x2-9x+1=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 3x2-9x+1=0 equation:



3x^2-9x+1=0
a = 3; b = -9; c = +1;
Δ = b2-4ac
Δ = -92-4·3·1
Δ = 69
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{-(-9)-\sqrt{69}}{2*3}=\frac{9-\sqrt{69}}{6} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-9)+\sqrt{69}}{2*3}=\frac{9+\sqrt{69}}{6} $

See similar equations:

| 18-12x=22-7x | | (3x-10)+(2x+65)=180 | | 25x-10x-60=0 | | 3(n+4)+4(n-8)=24n+36 | | 2(3x+x)-(5x-2)=12-2(6x-12) | | 4^4*x=16777216 | | 5x+6=2+3x+6 | | 3G+20=g-8 | | 4^x=16777216 | | 8^3x-4=4 | | (15x+10×12)÷(10+x)=14.8 | | 4^4x=16777216 | | (X)/(2)-(x)/(9)=3 | | 179=c+446 | | x/2-x/9=3 | | 5x^2-20+3x-6=0 | | 3x+8x+5=-6 | | -18r=-306 | | 2m/5=30 | | 4x*x*x-12x+12=0 | | 2-2b-2=3 | | P^2+q^2=1 | | 6(w−1)=6 | | -2-2b-2=3 | | -4=9x+26/7 | | X^3-9x^2+12x+108=0 | | x^{3}-7x^{2}+12x+108=0 | | 8x+15/9=7 | | 272=16v | | 21-7(1-x)=6(3x-5) | | 2((4f-9^3)+6)-14=24 | | 2(4f-9^3+6)-14=24 |

Equations solver categories