2x^2-19x+34=0

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Solution for 2x^2-19x+34=0 equation:


Simplifying
2x2 + -19x + 34 = 0

Reorder the terms:
34 + -19x + 2x2 = 0

Solving
34 + -19x + 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'.
17 + -9.5x + x2 = 0

Move the constant term to the right:

Add '-17' to each side of the equation.
17 + -9.5x + -17 + x2 = 0 + -17

Reorder the terms:
17 + -17 + -9.5x + x2 = 0 + -17

Combine like terms: 17 + -17 = 0
0 + -9.5x + x2 = 0 + -17
-9.5x + x2 = 0 + -17

Combine like terms: 0 + -17 = -17
-9.5x + x2 = -17

The x term is -9.5x.  Take half its coefficient (-4.75).
Square it (22.5625) and add it to both sides.

Add '22.5625' to each side of the equation.
-9.5x + 22.5625 + x2 = -17 + 22.5625

Reorder the terms:
22.5625 + -9.5x + x2 = -17 + 22.5625

Combine like terms: -17 + 22.5625 = 5.5625
22.5625 + -9.5x + x2 = 5.5625

Factor a perfect square on the left side:
(x + -4.75)(x + -4.75) = 5.5625

Calculate the square root of the right side: 2.358495283

Break this problem into two subproblems by setting 
(x + -4.75) equal to 2.358495283 and -2.358495283.

Subproblem 1

x + -4.75 = 2.358495283 Simplifying x + -4.75 = 2.358495283 Reorder the terms: -4.75 + x = 2.358495283 Solving -4.75 + x = 2.358495283 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.75' to each side of the equation. -4.75 + 4.75 + x = 2.358495283 + 4.75 Combine like terms: -4.75 + 4.75 = 0.00 0.00 + x = 2.358495283 + 4.75 x = 2.358495283 + 4.75 Combine like terms: 2.358495283 + 4.75 = 7.108495283 x = 7.108495283 Simplifying x = 7.108495283

Subproblem 2

x + -4.75 = -2.358495283 Simplifying x + -4.75 = -2.358495283 Reorder the terms: -4.75 + x = -2.358495283 Solving -4.75 + x = -2.358495283 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.75' to each side of the equation. -4.75 + 4.75 + x = -2.358495283 + 4.75 Combine like terms: -4.75 + 4.75 = 0.00 0.00 + x = -2.358495283 + 4.75 x = -2.358495283 + 4.75 Combine like terms: -2.358495283 + 4.75 = 2.391504717 x = 2.391504717 Simplifying x = 2.391504717

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.108495283, 2.391504717}

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