m^2-5m-8=0

Simple and best practice solution for m^2-5m-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 m^2-5m-8=0 equation: 



m^2-5m-8=0

a = 1; b = -5; c = -8;
Δ = b2-4ac
Δ = -52-4·1·(-8)
Δ = 57
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$m_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$m_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$m_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-5)-\sqrt{57}}{2*1}=\frac{5-\sqrt{57}}{2}
$


$m_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-5)+\sqrt{57}}{2*1}=\frac{5+\sqrt{57}}{2}
$

See similar equations:

| 2/1=5/d | | 2y-9y-35y=0 | | 70+6x+10=90 | | 7/2x+1/2x=3(1/2)+9/2x | | -1x/6=-30 | | 4x=12x+80 | | x-9=7* | | -6(6+8n)=2(1-7n) | | -3(5y-4)-y=-2(y-5 | | 25p^2-30p-13=-6 | | 3(1-6n)=93 | | 7y+9=3y+9 | | 6x-4=2+1x | | Y=0.26x+72 | | 32-4(2x+1)=8x-4(8+x) | | -a-88=5a+2 | | -2(4+5x)+3=65 | | 2000=7000-100p | | 3x+75=x | | (2x+10)+(3x+15)=90 | | ∣x+2∣=5 | | 127=71+x | | ∣∣x+2∣∣=5 | | L=2w-7 | | 14y+y-3y=60 | | 7x+9-18=33 | | 50=4.5t | | 1x+3=3-1x | | 3x-4(3-x)=18+x | | x/2.5=0.5 | | 60=6y+4y | | 8k-4k-3k=12 |

Equations solver categories