4n^2-12n=-9

Simple and best practice solution for 4n^2-12n=-9 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^2-12n=-9 equation: 



4n^2-12n=-9

We move all terms to the left:

4n^2-12n-(-9)=0

We add all the numbers together, and all the variables

4n^2-12n+9=0

a = 4; b = -12; c = +9;
Δ = b2-4ac
Δ = -122-4·4·9
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$n=\frac{-b}{2a}=\frac{12}{8}=1+1/2$

See similar equations:

| x^2+32x-49=0 | | 1/2x+3/5=23/5 | | 64=x4+7 | | P(x)=-6x^2+60x-126 | | 6x+3-4x-9=10 | | 4(n+3)+2(3n+1)=18 | | 2-3(1-9x)=80 | | 4x+8+5x-3=59 | | 1/4+x/2=4 | | (1)/(4)+(x)/(2)=4 | | -50(x)=0 | | 32k^2+21k-9=0 | | a+6-17a=9 | | 11x=8=85 | | 5x-10+4x-14=180 | | 1p+5p-2p+4p=-40 | | 2x/5+x-1/3=16/4 | | a+6=17a+9 | | 1p+5p-2p+4p= | | p+5p-2p+4p= | | i-18=47 | | )27=15a-1 | | 3/4=x-3/3+x | | 4x+12=2(x-5) | | 3/4=(x-3)/(3+x) | | 8a+6,A=0.5 | | -14x-14=-28 | | x/3+x/4=4 | | 10n=6n2 | | -1=-7(t-1)-1+6t | | 5-y2=1 | | d-3.5=-2.5 |

Equations solver categories