8x2+3x-8=0

Simple and best practice solution for 8x2+3x-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 8x2+3x-8=0 equation:



8x^2+3x-8=0
a = 8; b = 3; c = -8;
Δ = b2-4ac
Δ = 32-4·8·(-8)
Δ = 265
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{-(3)-\sqrt{265}}{2*8}=\frac{-3-\sqrt{265}}{16} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(3)+\sqrt{265}}{2*8}=\frac{-3+\sqrt{265}}{16} $

See similar equations:

| 3(x+1)+6=-6 | | –2(6–10x)=10(2x–6) | | 3|x-8|=21 | | (2x+1)x=21 | | 5x13+5x+13+3x+37=180 | | 10=8b-(2b) | | (n-9)+5=-7 | | –5+4r=–17 | | 3^4x=1/8 | | 3n+4n=56 | | (n-9)+5=7 | | 2w-4w=(-10) | | (3x+1)x=52 | | 4(3x+9)=17x+28-5x+8 | | 5y+35+8(17)-31=180 | | 4(x-3)+2x=7x-9 | | 2x+6x+5=-21 | | 6/2k-6=1.3 | | 56x-48=8(7x-6) | | 27.3=34y | | 4i(6+5i)=0 | | 58.8=6(m+3.4) | | 2+3(1+3a)=3+8a | | -x+20=43 | | 2+6m=6+10m=9m+8 | | (x−3)3/2=32 | | 2x+31=-2-31 | | 15x+50-12x-30=50 | | 3(8m-7)=-51 | | a/3+a/4=-1/2 | | 3(8m07)=-51 | | 7/14=m/10 |

Equations solver categories