14x^2-x+9=0

Simple and best practice solution for 14x^2-x+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 14x^2-x+9=0 equation:


Simplifying
14x2 + -1x + 9 = 0

Reorder the terms:
9 + -1x + 14x2 = 0

Solving
9 + -1x + 14x2 = 0

Solving for variable 'x'.

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

Divide each side by '14'.
0.6428571429 + -0.07142857143x + x2 = 0

Move the constant term to the right:

Add '-0.6428571429' to each side of the equation.
0.6428571429 + -0.07142857143x + -0.6428571429 + x2 = 0 + -0.6428571429

Reorder the terms:
0.6428571429 + -0.6428571429 + -0.07142857143x + x2 = 0 + -0.6428571429

Combine like terms: 0.6428571429 + -0.6428571429 = 0.0000000000
0.0000000000 + -0.07142857143x + x2 = 0 + -0.6428571429
-0.07142857143x + x2 = 0 + -0.6428571429

Combine like terms: 0 + -0.6428571429 = -0.6428571429
-0.07142857143x + x2 = -0.6428571429

The x term is -0.07142857143x.  Take half its coefficient (-0.03571428572).
Square it (0.001275510204) and add it to both sides.

Add '0.001275510204' to each side of the equation.
-0.07142857143x + 0.001275510204 + x2 = -0.6428571429 + 0.001275510204

Reorder the terms:
0.001275510204 + -0.07142857143x + x2 = -0.6428571429 + 0.001275510204

Combine like terms: -0.6428571429 + 0.001275510204 = -0.641581632696
0.001275510204 + -0.07142857143x + x2 = -0.641581632696

Factor a perfect square on the left side:
(x + -0.03571428572)(x + -0.03571428572) = -0.641581632696

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 10x+12=12x+10 | | 8x+12x=y | | 14(9c-3)=8c-7 | | -100=-8(1-4k)+4 | | -5(x-5)=5x+5(1-4x) | | N-10n=11n | | cos^2x-cos=1 | | Y=2.1x-4 | | Y=2.1-4 | | an=-n^2+2n | | [p+4]=[p-2] | | 7n+4n=11n | | (-4/9)(-5) | | x-x*.07=10000000 | | -4(4p+5)=-12(3p-10) | | z=Pi*q^3*h | | -14-3p=5p-6p | | -6/7x-5/3=-3/2 | | 180=120+2x | | an=-2n+3 | | Y=7/3x-4 | | an=-2+3 | | 6z+5.7+2.1z-1.8z-5= | | 11.29=S-5.66 | | (4y+7)= | | 1.33x=4 | | 1x*1.7x=23 | | 16=3p+2+4p | | 7-7(8-8n)=-329 | | 2(x+3)+y=6 | | 16=3p+2+4 | | [20x]=[4x+16] |

Equations solver categories