5x2-6x-2=0

Simple and best practice solution for 5x2-6x-2=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 5x2-6x-2=0 equation:



5x^2-6x-2=0
a = 5; b = -6; c = -2;
Δ = b2-4ac
Δ = -62-4·5·(-2)
Δ = 76
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

The end solution:
$\sqrt{\Delta}=\sqrt{76}=\sqrt{4*19}=\sqrt{4}*\sqrt{19}=2\sqrt{19}$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-6)-2\sqrt{19}}{2*5}=\frac{6-2\sqrt{19}}{10} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-6)+2\sqrt{19}}{2*5}=\frac{6+2\sqrt{19}}{10} $

See similar equations:

| 1/2x+3/4x=x+1 | | 7+4f=21 | | 7+3y=y-6-5 | | 5(11^3x)=410 | | 2(2x+2)-6=-2(1-3x) | | 2(2x+2)-6=-2(2-2x) | | 2(2x+2)-6=-2(1-2x) | | 7y+4-3y=9y+9 | | -5m+10=-3m+2 | | 5x+3-2x=5+2x | | x+-8/9=1 | | 5t+6-4=6t-8 | | 5k-8=30+2k | | 9x-3(2-x)=18 | | 3.9*t=8.58 | | 5.3*q=22.79 | | 3.2=10x+5.6 | | 8/x=45 | | 5/2x=26 | | 350h=1,400 | | 11/2=c+-32/5 | | 10-3(x+5)=13-6(x+2) | | -4-7b=-9b | | −3+7=5+2y | | -5=7/y-8 | | 15.6y-93.6=27.3y-163.8 | | 4^(x-3)=20 | | 9-1+x+4+x+x+3+12+10+x+x=61 | | 7/v-1=-4 | | 9-1+x+4+x+x+3+12+10+x+x=72 | | 2x+3/x=12x | | 2/5+2y=4y-9/10 |

Equations solver categories