5h^2+8h-4=0

Simple and best practice solution for 5h^2+8h-4=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 5h^2+8h-4=0 equation: 



5h^2+8h-4=0

a = 5; b = 8; c = -4;
Δ = b2-4ac
Δ = 82-4·5·(-4)
Δ = 144
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$h_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$h_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{144}=12$


$h_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(8)-12}{2*5}=\frac{-20}{10}
=-2
$


$h_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(8)+12}{2*5}=\frac{4}{10}
=2/5
$

See similar equations:

| 45x-35-30=20 | | 9x-5x+1-2+8x+7x-5+9x=0 | | 15.5x=97 | | 2(6x+1/3)=2/3 | | 7(n+6)+4n=108 | | 3u^2-8u-21=0 | | 8(-5-3x)=-160 | | -3(x+5=2(x+5) | | a+36+25=180 | | 116=8(4-2x)+4 | | 10-4w=10 | | 6x+16+20+90=180 | | 3x-6+6=5x+20 | | +4+3x=6x-2 | | 2b+8-b=6 | | 4(k-5)-3(K+1)-14=-28 | | -8n-4+7n=-12 | | 18=-6v-6+2v | | 0.9y-0.5=4.4 | | 6(z+6)+11=-2z-8 | | 9x3-18x2-4x+8=0 | | 1/2x+10=3/4 | | -15=1+2r | | 3+2=6+1k | | -3(1-2x)=4x-17 | | 12x+36=x² | | 3+3=6+1k | | 4.03r=2.75 | | -5x+19=4(x+7) | | -5x+7=4x+-3 | | 2(x-4)+3x=3(2x+1) | | 41-19=x |

Equations solver categories