4k2=5k

Simple and best practice solution for 4k2=5k 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 4k2=5k equation:



4k^2=5k
We move all terms to the left:
4k^2-(5k)=0
a = 4; b = -5; c = 0;
Δ = b2-4ac
Δ = -52-4·4·0
Δ = 25
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$k_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$k_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{25}=5$
$k_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-5)-5}{2*4}=\frac{0}{8} =0 $
$k_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-5)+5}{2*4}=\frac{10}{8} =1+1/4 $

See similar equations:

| 3x^2=320 | | 5e=3e+365e=3e+36 | | b=6/8+2 | | N=5x | | 4x+12=-16-3× | | 100/140=x | | 32+3y=17 | | 3(3w+7)/5=7 | | 0,4x=40000+0,6x | | b=2*0.75+2 | | b=2*(3/4)+2 | | b=2(3/4)+2 | | 4(8)+3y=17 | | X2+2y=84 | | 1/12-9x=-9+7/12 | | 11n-9=5n+23 | | 23-3/8x=-3/8x+23 | | 5s2+8s−7=0 | | 4x-50=200 | | 8x-36=52 | | 1/2x+4=-5/2x=10 | | 36-4y+3y=40 | | 36-4y-3y=40 | | 2x+10-8=100 | | 2.3=3d-8.8 | | (D^2+3D+2)y=4 | | x+10+50/x=70-8x | | 3x+5+4x=12-x | | 6x-2x(x-4)=3x+5 | | 5y+8=8y-16 | | 10-5x=4x-5 | | x−x2+42=0 |

Equations solver categories