y2-6y+9=0

Simple and best practice solution for y2-6y+9=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 y2-6y+9=0 equation: 



y2-6y+9=0

We add all the numbers together, and all the variables

y^2-6y+9=0

a = 1; b = -6; c = +9;
Δ = b2-4ac
Δ = -62-4·1·9
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$y=\frac{-b}{2a}=\frac{6}{2}=3$

See similar equations:

| 3x-6+6x=3(5x-5)+6 | | 13+3x=105 | | 6−(x−11)=3(x+2) | | 3x+13=105 | | 9/16-3/8t=-9/16 | | 7x+4=3x-18 | | 9x+1=9(x-2) | | 7(x-2)+4=3x+4(-3+x) | | 5/7(y)=15 | | 4x^2+16x+64=84 | | -12+2x=3(18x+25)+x | | -4(x+2)=-44 | | 2n/3+3n/5=9n/15+40 | | 11.75a=185.20 | | 6n=4/5 | | 12/4+2=x | | 7/5x-1/10=1/5 | | 51*x-427=185 | | 3x+19=7x+23 | | 3/5x+9=3 | | 5/3x-1/6=1/3 | | 1x+16+1x=90 | | 1x+16+1x=180 | | 1x+16+1x=189 | | 68+x/54=72 | | x^2-2.75x+.625=0 | | 2/3y-6=5 | | 16+3y=7y | | 5(2+w)=4(7+w) | | x=x+3x+52 | | 5x+5x=189 | | 2m/3=4 |

Equations solver categories