4n(n-5)+25=0

Simple and best practice solution for 4n(n-5)+25=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 4n(n-5)+25=0 equation: 



4n(n-5)+25=0

We multiply parentheses

4n^2-20n+25=0

a = 4; b = -20; c = +25;
Δ = b2-4ac
Δ = -202-4·4·25
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$n=\frac{-b}{2a}=\frac{20}{8}=2+1/2$

See similar equations:

| y=5.333333333 | | 50=10+5x | | 2x-88=7x-12 | | x2+88=7x-12 | | n2=4n-12= | | 9r+7=4r-9 | | (3x-4)^2+5=41 | | 4x+10-2x=26 | | x+3-2x=-9 | | 4x+8=7.2+5x^4x+8=7.2+5x | | 6y+8=8y+11 | | -5z-5=-30 | | 3n-15=7n+3n | | 2(1-y)×2y(-1)/2(×+2)=8(2-3y) | | 3x+35+130=180 | | 13x-5+19x-1=90 | | -7=x/4+1 | | 9+3y=-15 | | 5x15=20 | | 7(4-x)=9-2x | | 4+9+x=30 | | 7-(4-x=9-2x | | 0=80-10x | | -4=4-v | | x/5+3/7=7 | | 7w=81-2w | | v-(-4)=10 | | 14x+18=22 | | 10-n=3 | | 2w^2-9w+39=(w-6)(w-6) | | 4x+3/15=3 | | -18-6k=1+18k |

Equations solver categories