2x2-8x-24=0

Simple and best practice solution for 2x2-8x-24=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 2x2-8x-24=0 equation:



2x^2-8x-24=0
a = 2; b = -8; c = -24;
Δ = b2-4ac
Δ = -82-4·2·(-24)
Δ = 256
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{256}=16$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-8)-16}{2*2}=\frac{-8}{4} =-2 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-8)+16}{2*2}=\frac{24}{4} =6 $

See similar equations:

| 7b=16807 | | g-(-5)=14 | | X2-39x+74=0 | | 8x-3+10=-2(x-2)+3 | | 2n-15=n-9 | | p+(-5)=52 | | -h=26 | | 26=x/2+8 | | -3t+20=0 | | 2.7(5.1+4.9)=3.2x+28.9 | | 8x+12=360 | | (x^2-12x+36)(x^2-36)=0 | | 6x+1=71 | | 7x2-10x+1=0 | | 5k^2-21k+4=0 | | 4v-2v=12 | | 3=g+13 | | 7x+26=110 | | 1/3c=2/3c | | 24=d-31 | | 18+6y=-24 | | 8+0.75x=10+0.50x | | 38x+53=180 | | -10v-2=-7v-4v-7 | | x+x+67+x-16=180 | | 3x+24=6x+-9 | | x^2-3^2=0 | | -6p-9=-9p | | 1/3y+5=-15 | | 6s=-10+7s | | 2x+132=18- | | -2+8y=-5+7y |

Equations solver categories