3x^2-12x+17=0

Simple and best practice solution for 3x^2-12x+17=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^2-12x+17=0 equation:


Simplifying
3x2 + -12x + 17 = 0

Reorder the terms:
17 + -12x + 3x2 = 0

Solving
17 + -12x + 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'.
5.666666667 + -4x + x2 = 0

Move the constant term to the right:

Add '-5.666666667' to each side of the equation.
5.666666667 + -4x + -5.666666667 + x2 = 0 + -5.666666667

Reorder the terms:
5.666666667 + -5.666666667 + -4x + x2 = 0 + -5.666666667

Combine like terms: 5.666666667 + -5.666666667 = 0.000000000
0.000000000 + -4x + x2 = 0 + -5.666666667
-4x + x2 = 0 + -5.666666667

Combine like terms: 0 + -5.666666667 = -5.666666667
-4x + x2 = -5.666666667

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = -5.666666667 + 4

Reorder the terms:
4 + -4x + x2 = -5.666666667 + 4

Combine like terms: -5.666666667 + 4 = -1.666666667
4 + -4x + x2 = -1.666666667

Factor a perfect square on the left side:
(x + -2)(x + -2) = -1.666666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 5m+3=2m+18 | | 9s^2=4 | | t^2/3-2t^1/3-3 | | y^2-9y-88=0 | | (t^(1/3))^2-2t^(1/3)-3=0 | | 4y/3+7=-1 | | 2a/5-3=1 | | 9x^3-12x^2-8x+1=0 | | 11i-22= | | sin(x+30)-2cosx=0 | | x^4-20x^2+4=0 | | x^4-20x^2+4=(x^4-4x^2+4)-16x^2 | | 4x-10-4(x-1)=0 | | 5/40=1/x | | x+64=20 | | 5uv+12v+4uv-5v= | | 4(e+7)=32 | | 7ab+4+2ab= | | 7(4x-1)=28x-7 | | 9x+30= | | -5x+15-21=-6 | | -5+15-21=-6 | | 15+28=27x+4 | | (5x^3)/(4) | | 3p-35=5 | | 2/x-3x/2=7 | | 3(4x-13)=45 | | x+x+x+x+80+90=100 | | 2sinx=0.5 | | 5x289/1,000= | | 5(289)/1,000= | | 5(289)/= |

Equations solver categories