9x^2+2x+2=

Simple and best practice solution for 9x^2+2x+2= 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 9x^2+2x+2= equation:


Simplifying
9x2 + 2x + 2 = 0

Reorder the terms:
2 + 2x + 9x2 = 0

Solving
2 + 2x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
0.2222222222 + 0.2222222222x + x2 = 0

Move the constant term to the right:

Add '-0.2222222222' to each side of the equation.
0.2222222222 + 0.2222222222x + -0.2222222222 + x2 = 0 + -0.2222222222

Reorder the terms:
0.2222222222 + -0.2222222222 + 0.2222222222x + x2 = 0 + -0.2222222222

Combine like terms: 0.2222222222 + -0.2222222222 = 0.0000000000
0.0000000000 + 0.2222222222x + x2 = 0 + -0.2222222222
0.2222222222x + x2 = 0 + -0.2222222222

Combine like terms: 0 + -0.2222222222 = -0.2222222222
0.2222222222x + x2 = -0.2222222222

The x term is 0.2222222222x.  Take half its coefficient (0.1111111111).
Square it (0.01234567901) and add it to both sides.

Add '0.01234567901' to each side of the equation.
0.2222222222x + 0.01234567901 + x2 = -0.2222222222 + 0.01234567901

Reorder the terms:
0.01234567901 + 0.2222222222x + x2 = -0.2222222222 + 0.01234567901

Combine like terms: -0.2222222222 + 0.01234567901 = -0.20987654319
0.01234567901 + 0.2222222222x + x2 = -0.20987654319

Factor a perfect square on the left side:
(x + 0.1111111111)(x + 0.1111111111) = -0.20987654319

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 7x^2+3x+9= | | X^4-4x^2=21 | | X^5+7x^2=-12x | | 5(6x+1)=-25 | | g(x)=[x+2]-4 | | 2/3×1/2 | | -7n(5n-4)=0 | | 2(5+4x)=34 | | gv-q=6h | | gj-r=4c | | 3x^3+12x-2=0 | | Y=2x^2+6x-10 | | 5.00+0.80=14.60 | | 14=24-5p | | 0.25=x/300 | | (6x^2+4y-2)-(4x^2+y-5)=C | | 5x+8=-8x+5 | | 1/3(4 | | 2-6c=-16 | | 4x^3+24x=-1 | | -4=x/10-5 | | 5(x-4)=-6 | | 8+7y-3y+2-4=0 | | n+(n+1)+(n+2)=-75 | | 1000.00+5000x=1350 | | -4x-(-24)=12 | | f^2+9f-81=9f | | 1000.00+5000x=1200 | | 10z-2+9z-3-z=0 | | 1000.00+5000=1200 | | x^2+9x-7= | | 1/x-5/2=3/2 |

Equations solver categories