9y^2-y+2=0

Simple and best practice solution for 9y^2-y+2=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 9y^2-y+2=0 equation:


Simplifying
9y2 + -1y + 2 = 0

Reorder the terms:
2 + -1y + 9y2 = 0

Solving
2 + -1y + 9y2 = 0

Solving for variable 'y'.

Begin completing the square.  Divide all terms by
9 the coefficient of the squared term: 

Divide each side by '9'.
0.2222222222 + -0.1111111111y + y2 = 0

Move the constant term to the right:

Add '-0.2222222222' to each side of the equation.
0.2222222222 + -0.1111111111y + -0.2222222222 + y2 = 0 + -0.2222222222

Reorder the terms:
0.2222222222 + -0.2222222222 + -0.1111111111y + y2 = 0 + -0.2222222222

Combine like terms: 0.2222222222 + -0.2222222222 = 0.0000000000
0.0000000000 + -0.1111111111y + y2 = 0 + -0.2222222222
-0.1111111111y + y2 = 0 + -0.2222222222

Combine like terms: 0 + -0.2222222222 = -0.2222222222
-0.1111111111y + y2 = -0.2222222222

The y term is -0.1111111111y.  Take half its coefficient (-0.05555555555).
Square it (0.003086419752) and add it to both sides.

Add '0.003086419752' to each side of the equation.
-0.1111111111y + 0.003086419752 + y2 = -0.2222222222 + 0.003086419752

Reorder the terms:
0.003086419752 + -0.1111111111y + y2 = -0.2222222222 + 0.003086419752

Combine like terms: -0.2222222222 + 0.003086419752 = -0.219135802448
0.003086419752 + -0.1111111111y + y2 = -0.219135802448

Factor a perfect square on the left side:
(y + -0.05555555555)(y + -0.05555555555) = -0.219135802448

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 7/4(y)=28 | | 74(y)=28 | | 30x=13 | | 26x-7-18x+3=22x-4-14x+11 | | 51-3x=15x+17 | | 9b-(3-6z)= | | 50-x=0 | | 31-18+3k=34 | | M-8n-4p= | | 4a^2-2a-4=0 | | 2x=84 | | 5(3+4x)-2=133 | | 5k+m=8k+n | | -x+2z= | | 3x-(3x-2)=2 | | y=(-3+1) | | 5k+n=8k+n | | -7a-6b-4c= | | 7x-9=5x+11 | | 04(x+3)=5x+9 | | 4y-3+y+43=5y+40-2y | | 6+8q=11+7q | | -10t+21= | | -10+21= | | -4(x+3)=5x+9 | | 7(u-1)=5u+1-2(-5u-2) | | 22=8-15x | | 56x+17=13 | | -2x+5y=11 | | 18h+63= | | 14f-28= | | -16t^2+96t+112= |

Equations solver categories