2x^2-13x+2=

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Solution for 2x^2-13x+2= equation:


Simplifying
2x2 + -13x + 2 = 0

Reorder the terms:
2 + -13x + 2x2 = 0

Solving
2 + -13x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
1 + -6.5x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -6.5x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + -6.5x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -6.5x + x2 = 0 + -1
-6.5x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
-6.5x + x2 = -1

The x term is -6.5x.  Take half its coefficient (-3.25).
Square it (10.5625) and add it to both sides.

Add '10.5625' to each side of the equation.
-6.5x + 10.5625 + x2 = -1 + 10.5625

Reorder the terms:
10.5625 + -6.5x + x2 = -1 + 10.5625

Combine like terms: -1 + 10.5625 = 9.5625
10.5625 + -6.5x + x2 = 9.5625

Factor a perfect square on the left side:
(x + -3.25)(x + -3.25) = 9.5625

Calculate the square root of the right side: 3.092329219

Break this problem into two subproblems by setting 
(x + -3.25) equal to 3.092329219 and -3.092329219.

Subproblem 1

x + -3.25 = 3.092329219 Simplifying x + -3.25 = 3.092329219 Reorder the terms: -3.25 + x = 3.092329219 Solving -3.25 + x = 3.092329219 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.25' to each side of the equation. -3.25 + 3.25 + x = 3.092329219 + 3.25 Combine like terms: -3.25 + 3.25 = 0.00 0.00 + x = 3.092329219 + 3.25 x = 3.092329219 + 3.25 Combine like terms: 3.092329219 + 3.25 = 6.342329219 x = 6.342329219 Simplifying x = 6.342329219

Subproblem 2

x + -3.25 = -3.092329219 Simplifying x + -3.25 = -3.092329219 Reorder the terms: -3.25 + x = -3.092329219 Solving -3.25 + x = -3.092329219 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.25' to each side of the equation. -3.25 + 3.25 + x = -3.092329219 + 3.25 Combine like terms: -3.25 + 3.25 = 0.00 0.00 + x = -3.092329219 + 3.25 x = -3.092329219 + 3.25 Combine like terms: -3.092329219 + 3.25 = 0.157670781 x = 0.157670781 Simplifying x = 0.157670781

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.342329219, 0.157670781}

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