3x^2-4x+13=0

Simple and best practice solution for 3x^2-4x+13=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 3x^2-4x+13=0 equation:


Simplifying
3x2 + -4x + 13 = 0

Reorder the terms:
13 + -4x + 3x2 = 0

Solving
13 + -4x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
4.333333333 + -1.333333333x + x2 = 0

Move the constant term to the right:

Add '-4.333333333' to each side of the equation.
4.333333333 + -1.333333333x + -4.333333333 + x2 = 0 + -4.333333333

Reorder the terms:
4.333333333 + -4.333333333 + -1.333333333x + x2 = 0 + -4.333333333

Combine like terms: 4.333333333 + -4.333333333 = 0.000000000
0.000000000 + -1.333333333x + x2 = 0 + -4.333333333
-1.333333333x + x2 = 0 + -4.333333333

Combine like terms: 0 + -4.333333333 = -4.333333333
-1.333333333x + x2 = -4.333333333

The x term is -1.333333333x.  Take half its coefficient (-0.6666666665).
Square it (0.4444444442) and add it to both sides.

Add '0.4444444442' to each side of the equation.
-1.333333333x + 0.4444444442 + x2 = -4.333333333 + 0.4444444442

Reorder the terms:
0.4444444442 + -1.333333333x + x2 = -4.333333333 + 0.4444444442

Combine like terms: -4.333333333 + 0.4444444442 = -3.8888888888
0.4444444442 + -1.333333333x + x2 = -3.8888888888

Factor a perfect square on the left side:
(x + -0.6666666665)(x + -0.6666666665) = -3.8888888888

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3m(-4m)(-5m)= | | 8/4*6+(7-5) | | n+2p+n-5p-3n+3p= | | ((m-22)/6)-((6m-18)/5)=2 | | 6(6n-4)+6(-5n+6)=4n-4+4n | | 8/-5 | | -18+5x=-18x-1 | | X/4=3x/4-6 | | 5/x+2/5=7/x | | 9z^2+3z+2=0 | | 3*31/2= | | (2x)+x=480 | | 3x-7=x/2+9 | | x-4-3x=2-3-1 | | 8/4X6+(7-5) | | N/18=-54 | | 6-9d=21-6d | | 5+75/25-5 | | -27u+13u-5=3-14u | | 8(a-3)-(1-6a)=7a-4a | | 3/31.5= | | 6k-25=7-3k | | 3/10p=9 | | -4=-3x+2 | | -3x+5(6x-7)=-35+2x | | u^2-13u+40=0 | | (4j+8)-3=92 | | 12-(2m+4)=2+2m-14 | | 3m-4m-5m= | | 2(y+5)=2(6y-1)+4y | | m+3m+7m+4= | | -7(6n+7)=-91 |

Equations solver categories