2n^2-8n=-9

Simple and best practice solution for 2n^2-8n=-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 2n^2-8n=-9 equation: 



2n^2-8n=-9

We move all terms to the left:

2n^2-8n-(-9)=0

We add all the numbers together, and all the variables

2n^2-8n+9=0

a = 2; b = -8; c = +9;
Δ = b2-4ac
Δ = -82-4·2·9
Δ = -8
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 2y+70+3y=180 | | 3/4x+2x-3=-1/4x=21 | | 6=2q=10 | | 3y-12=2y+6 | | -7y-21+3y=4(7-6y) | | -4=-36x= | | 7z+15=32 | | 15+7x=12+6x | | 4.6q-4.9-5.6q=-2.0q-5.5 | | 10k=50k= | | x+22=4x+10 | | -6y=108 | | 6x=-30= | | 3x+2=-x+22 | | 3x+75x-11=180 | | 9+7x=10+6x | | x/5=144/40 | | 28=x/5+3 | | 22x+13=22x−45 | | 3x=-4x+280 | | 46-6x+35x+50+90+90=360 | | y-4.4=8.59 | | 6x+4=13x-21 | | x/3-x/4-4/5=12/10 | | 4b-5=1+5 | | F(p)=(1440-12p)(p-20) | | 4x–16=x–7 | | 2x=-x+24 | | 7.4=−2.7(z+3.2) | | 15x+12=177 | | 105-w=231 | | -7x+7=5x+43 |

Equations solver categories