4a^2-40a=0

Simple and best practice solution for 4a^2-40a=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 4a^2-40a=0 equation: 



4a^2-40a=0

a = 4; b = -40; c = 0;
Δ = b2-4ac
Δ = -402-4·4·0
Δ = 1600
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$a_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$a_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1600}=40$


$a_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-40)-40}{2*4}=\frac{0}{8}
=0
$


$a_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-40)+40}{2*4}=\frac{80}{8}
=10
$

See similar equations:

| t/6+13=19 | | 5y-8=3y=+12 | | 2+7x=2x-8 | | u=3.78 | | 4=4d+d-7 | | 8(w+6)=88 | | 1.2x-6=5(x+2) | | -2x=0.4 | | 13=2t-(-7) | | 3(2x+5)=-48+15 | | 3/7m-1/7=1/42 | | 2u+8(u-4)=-12 | | 0.5x=-3.5 | | 6x=4(x–5)= | | 7+4x=5x-3 | | x/8+4=17 | | 3(2x+6)=-43+13 | | 5(x+7)=  5050 | | 6x=4(x–5) | | 3x-5+x+3=38 | | 7-5/2y=-5 | | 6x+2x+8x-2=30 | | -x+1/3=4 | | h6=-8 | | 7x+0=6x+5 | | 4(x-4=2x-28 | | 16=n+-76 | | 9x-2+13x+6=180 | | w/10=36/20 | | 1.3=p/2 | | 2/9x−1/3=1 | | 15y+47=77 |

Equations solver categories