12x^2-17x-6=0

Simple and best practice solution for 12x^2-17x-6=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^2-17x-6=0 equation:


Simplifying
12x2 + -17x + -6 = 0

Reorder the terms:
-6 + -17x + 12x2 = 0

Solving
-6 + -17x + 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'.
-0.5 + -1.416666667x + x2 = 0

Move the constant term to the right:

Add '0.5' to each side of the equation.
-0.5 + -1.416666667x + 0.5 + x2 = 0 + 0.5

Reorder the terms:
-0.5 + 0.5 + -1.416666667x + x2 = 0 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + -1.416666667x + x2 = 0 + 0.5
-1.416666667x + x2 = 0 + 0.5

Combine like terms: 0 + 0.5 = 0.5
-1.416666667x + x2 = 0.5

The x term is -1.416666667x.  Take half its coefficient (-0.7083333335).
Square it (0.5017361113) and add it to both sides.

Add '0.5017361113' to each side of the equation.
-1.416666667x + 0.5017361113 + x2 = 0.5 + 0.5017361113

Reorder the terms:
0.5017361113 + -1.416666667x + x2 = 0.5 + 0.5017361113

Combine like terms: 0.5 + 0.5017361113 = 1.0017361113
0.5017361113 + -1.416666667x + x2 = 1.0017361113

Factor a perfect square on the left side:
(x + -0.7083333335)(x + -0.7083333335) = 1.0017361113

Calculate the square root of the right side: 1.000867679

Break this problem into two subproblems by setting 
(x + -0.7083333335) equal to 1.000867679 and -1.000867679.

Subproblem 1

x + -0.7083333335 = 1.000867679 Simplifying x + -0.7083333335 = 1.000867679 Reorder the terms: -0.7083333335 + x = 1.000867679 Solving -0.7083333335 + x = 1.000867679 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.7083333335' to each side of the equation. -0.7083333335 + 0.7083333335 + x = 1.000867679 + 0.7083333335 Combine like terms: -0.7083333335 + 0.7083333335 = 0.0000000000 0.0000000000 + x = 1.000867679 + 0.7083333335 x = 1.000867679 + 0.7083333335 Combine like terms: 1.000867679 + 0.7083333335 = 1.7092010125 x = 1.7092010125 Simplifying x = 1.7092010125

Subproblem 2

x + -0.7083333335 = -1.000867679 Simplifying x + -0.7083333335 = -1.000867679 Reorder the terms: -0.7083333335 + x = -1.000867679 Solving -0.7083333335 + x = -1.000867679 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.7083333335' to each side of the equation. -0.7083333335 + 0.7083333335 + x = -1.000867679 + 0.7083333335 Combine like terms: -0.7083333335 + 0.7083333335 = 0.0000000000 0.0000000000 + x = -1.000867679 + 0.7083333335 x = -1.000867679 + 0.7083333335 Combine like terms: -1.000867679 + 0.7083333335 = -0.2925343455 x = -0.2925343455 Simplifying x = -0.2925343455

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.7092010125, -0.2925343455}

See similar equations:

| 16x^2-16x+29=0 | | 2x^3+2x=-5x^2 | | 10+5x=40+3x | | 5(y-3)=2y-15 | | b^2-35=2b | | 9x-(3x-2)=32 | | 10x^2y+10xy-420y=0 | | 5b-6-8b-4= | | 2x^2-4x=2.5 | | 3x+2x+4x+x=360 | | 3n^2-22n+7=4 | | 5y^2-19y=4 | | 6+2(z-3)=-3z+1 | | 50=2x+x+3x+2x | | 10x-33=4x+2 | | 7x-13=3x+7 | | 1.98x-1.98-3x+5=4-5x | | -5-2(8c+9)= | | X+20+2x=0-2x-5 | | 15=7+3g | | 5x+2x+100=15m+20 | | Y=2x^2-24+72 | | 123-4x=14x+23 | | 10y^2+29y+21=0 | | 7+2+x=19 | | 10y^2+29+21=0 | | 9a+29+7=0 | | -131-10x=52-17x | | 14.33=2x-4 | | 6x+9=-95-7x | | -4(9q+5)= | | C^2+15c+44=0 |

Equations solver categories