9c^2-2c+4=0

Simple and best practice solution for 9c^2-2c+4=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 9c^2-2c+4=0 equation:


Simplifying
9c2 + -2c + 4 = 0

Reorder the terms:
4 + -2c + 9c2 = 0

Solving
4 + -2c + 9c2 = 0

Solving for variable 'c'.

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

Divide each side by '9'.
0.4444444444 + -0.2222222222c + c2 = 0

Move the constant term to the right:

Add '-0.4444444444' to each side of the equation.
0.4444444444 + -0.2222222222c + -0.4444444444 + c2 = 0 + -0.4444444444

Reorder the terms:
0.4444444444 + -0.4444444444 + -0.2222222222c + c2 = 0 + -0.4444444444

Combine like terms: 0.4444444444 + -0.4444444444 = 0.0000000000
0.0000000000 + -0.2222222222c + c2 = 0 + -0.4444444444
-0.2222222222c + c2 = 0 + -0.4444444444

Combine like terms: 0 + -0.4444444444 = -0.4444444444
-0.2222222222c + c2 = -0.4444444444

The c term is -0.2222222222c.  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.
-0.2222222222c + 0.01234567901 + c2 = -0.4444444444 + 0.01234567901

Reorder the terms:
0.01234567901 + -0.2222222222c + c2 = -0.4444444444 + 0.01234567901

Combine like terms: -0.4444444444 + 0.01234567901 = -0.43209876539
0.01234567901 + -0.2222222222c + c2 = -0.43209876539

Factor a perfect square on the left side:
(c + -0.1111111111)(c + -0.1111111111) = -0.43209876539

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2+4/7x+2/3x=16/21 | | -1+5x=-1 | | -2(4x-3)=-8(x+3) | | 3y^2-12y+2=0 | | 2/3+7x=-16/3 | | 2z^4-6z^3+9z^2-6z+2=0 | | 2w^2+1.5w-314.50=0 | | 7x+5=53/5 | | x=204/5 | | 7-5x=10-6x+7 | | 8+4=-2+7(8-6n) | | 3(4n+5)=-7n-3 | | 14+2(3a-1)=3(a-8)+66 | | 7n-11=66 | | 3(4n-5)=-7n-3 | | 6(y-4)=7(y-4) | | 22a-(9-3a)=41 | | h(3)=16+18t-5t^2 | | 3x-3=4x-2 | | 3/2x-5=10/4 | | 12x-16-3x+4=3(3x-4) | | y^4-6y^3+5y^2+24y-36= | | (n-10)2=14 | | X/4=x+5/8 | | (n+5)6=42 | | 6+3r=4(r+2) | | 22x-(9-3a)=41 | | 5-8=-x | | 8-2/3h=-12 | | 15+2n=23 | | 5/2p+4=19 | | 21/2p+4=19 |

Equations solver categories