6x^2-17x=12

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Solution for 6x^2-17x=12 equation:


Simplifying
6x2 + -17x = 12

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

Solving
-17x + 6x2 = 12

Solving for variable 'x'.

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

Combine like terms: 12 + -12 = 0
-12 + -17x + 6x2 = 0

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

Divide each side by '6'.
-2 + -2.833333333x + x2 = 0

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + -2.833333333x + 2 + x2 = 0 + 2

Reorder the terms:
-2 + 2 + -2.833333333x + x2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -2.833333333x + x2 = 0 + 2
-2.833333333x + x2 = 0 + 2

Combine like terms: 0 + 2 = 2
-2.833333333x + x2 = 2

The x term is -2.833333333x.  Take half its coefficient (-1.416666667).
Square it (2.006944445) and add it to both sides.

Add '2.006944445' to each side of the equation.
-2.833333333x + 2.006944445 + x2 = 2 + 2.006944445

Reorder the terms:
2.006944445 + -2.833333333x + x2 = 2 + 2.006944445

Combine like terms: 2 + 2.006944445 = 4.006944445
2.006944445 + -2.833333333x + x2 = 4.006944445

Factor a perfect square on the left side:
(x + -1.416666667)(x + -1.416666667) = 4.006944445

Calculate the square root of the right side: 2.001735358

Break this problem into two subproblems by setting 
(x + -1.416666667) equal to 2.001735358 and -2.001735358.

Subproblem 1

x + -1.416666667 = 2.001735358 Simplifying x + -1.416666667 = 2.001735358 Reorder the terms: -1.416666667 + x = 2.001735358 Solving -1.416666667 + x = 2.001735358 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.416666667' to each side of the equation. -1.416666667 + 1.416666667 + x = 2.001735358 + 1.416666667 Combine like terms: -1.416666667 + 1.416666667 = 0.000000000 0.000000000 + x = 2.001735358 + 1.416666667 x = 2.001735358 + 1.416666667 Combine like terms: 2.001735358 + 1.416666667 = 3.418402025 x = 3.418402025 Simplifying x = 3.418402025

Subproblem 2

x + -1.416666667 = -2.001735358 Simplifying x + -1.416666667 = -2.001735358 Reorder the terms: -1.416666667 + x = -2.001735358 Solving -1.416666667 + x = -2.001735358 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.416666667' to each side of the equation. -1.416666667 + 1.416666667 + x = -2.001735358 + 1.416666667 Combine like terms: -1.416666667 + 1.416666667 = 0.000000000 0.000000000 + x = -2.001735358 + 1.416666667 x = -2.001735358 + 1.416666667 Combine like terms: -2.001735358 + 1.416666667 = -0.585068691 x = -0.585068691 Simplifying x = -0.585068691

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.418402025, -0.585068691}

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