12x^2-28x+17=0

Simple and best practice solution for 12x^2-28x+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 12x^2-28x+17=0 equation:


Simplifying
12x2 + -28x + 17 = 0

Reorder the terms:
17 + -28x + 12x2 = 0

Solving
17 + -28x + 12x2 = 0

Solving for variable 'x'.

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

Divide each side by '12'.
1.416666667 + -2.333333333x + x2 = 0

Move the constant term to the right:

Add '-1.416666667' to each side of the equation.
1.416666667 + -2.333333333x + -1.416666667 + x2 = 0 + -1.416666667

Reorder the terms:
1.416666667 + -1.416666667 + -2.333333333x + x2 = 0 + -1.416666667

Combine like terms: 1.416666667 + -1.416666667 = 0.000000000
0.000000000 + -2.333333333x + x2 = 0 + -1.416666667
-2.333333333x + x2 = 0 + -1.416666667

Combine like terms: 0 + -1.416666667 = -1.416666667
-2.333333333x + x2 = -1.416666667

The x term is -2.333333333x.  Take half its coefficient (-1.166666667).
Square it (1.361111112) and add it to both sides.

Add '1.361111112' to each side of the equation.
-2.333333333x + 1.361111112 + x2 = -1.416666667 + 1.361111112

Reorder the terms:
1.361111112 + -2.333333333x + x2 = -1.416666667 + 1.361111112

Combine like terms: -1.416666667 + 1.361111112 = -0.055555555
1.361111112 + -2.333333333x + x2 = -0.055555555

Factor a perfect square on the left side:
(x + -1.166666667)(x + -1.166666667) = -0.055555555

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| .60x+.10(120)=.30(30) | | 12(4x)-28x(x-1)=21(x+1) | | 5x+9-x=3+2x-2 | | x^2-2x-10=-2x^2+x+8 | | 5x+11=2x^2 | | 8(x+18)=12x | | X(Y^6-7)+8(Y^6-7)= | | 5z+7=32-2z | | x^2+3a+2= | | 70=-1(-2-2z) | | (6s^2)-19s+10=0 | | 2r-(5-r)=2r | | 3t+8t+5t-1= | | y/3+y-1/10=4y+5/5 | | 8x-(3x+5)=3x-35 | | 8(k-4)+4=-84 | | 3x+y=57 | | 8n-4n+5=15 | | -3x+7-5x=15 | | 2y+6x=180 | | -6x-5(-6x-2)=82 | | 17x-15=6x-4 | | -23=2n-1 | | 2(x+5)=6(x-4) | | 39=13(w+3) | | -x+7=6 | | 4+10x-10=4 | | 10-6y=2y-6 | | 7x+11+16x-38=180 | | r=vst-5fors | | 7(3a-2)= | | 21=7+2y |

Equations solver categories