6x-x2-8=0

Simple and best practice solution for 6x-x2-8=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 6x-x2-8=0 equation:



6x-x2-8=0
We add all the numbers together, and all the variables
-1x^2+6x-8=0
a = -1; b = 6; c = -8;
Δ = b2-4ac
Δ = 62-4·(-1)·(-8)
Δ = 4
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{4}=2$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(6)-2}{2*-1}=\frac{-8}{-2} =+4 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(6)+2}{2*-1}=\frac{-4}{-2} =+2 $

See similar equations:

| X(x+5)+x+(x+5)=86 | | -11-8x=-5(x+1) | | -5u–15u=20 | | K^2+99k-100=0 | | 3x+15=(-4x)+8 | | -8(-n+3)=-2n+6 | | y–15/2=2 | | 9x=91−4x | | -15=-278+c | | -23+3p=-8(p+7) | | -9m+5(-3m-2)=-30-4m | | y–15/2= 2 | | 47/9+3/3x=5/3(5/2x+1) | | 24+2x-x2=0 | | -8m-36=4(1+8m) | | -3(3s-6)-18=-3(5s+5)-4 | | 2x-4+2x=-24 | | 7-b=3(-b+7) | | 5z-3=-8 | | 7(x+9)3x-8,x=9 | | -4(-6r-3)+2r=-28+6r | | 4×+3=6x | | -4(m+6=-8) | | 5x+3-1-x-(-2x+2)=4x-6 | | 8v+6=2(v-3) | | -4(m+6=-8 | | 7×x=63 | | 7-5v=-43 | | 40=10x+10 | | 2=y-11 | | 3n/2+2n/3=13 | | -6(y-3)=-6y+18 |

Equations solver categories