5x^2=19x-17

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Solution for 5x^2=19x-17 equation:


Simplifying
5x2 = 19x + -17

Reorder the terms:
5x2 = -17 + 19x

Solving
5x2 = -17 + 19x

Solving for variable 'x'.

Reorder the terms:
17 + -19x + 5x2 = -17 + 19x + 17 + -19x

Reorder the terms:
17 + -19x + 5x2 = -17 + 17 + 19x + -19x

Combine like terms: -17 + 17 = 0
17 + -19x + 5x2 = 0 + 19x + -19x
17 + -19x + 5x2 = 19x + -19x

Combine like terms: 19x + -19x = 0
17 + -19x + 5x2 = 0

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

Divide each side by '5'.
3.4 + -3.8x + x2 = 0

Move the constant term to the right:

Add '-3.4' to each side of the equation.
3.4 + -3.8x + -3.4 + x2 = 0 + -3.4

Reorder the terms:
3.4 + -3.4 + -3.8x + x2 = 0 + -3.4

Combine like terms: 3.4 + -3.4 = 0.0
0.0 + -3.8x + x2 = 0 + -3.4
-3.8x + x2 = 0 + -3.4

Combine like terms: 0 + -3.4 = -3.4
-3.8x + x2 = -3.4

The x term is -3.8x.  Take half its coefficient (-1.9).
Square it (3.61) and add it to both sides.

Add '3.61' to each side of the equation.
-3.8x + 3.61 + x2 = -3.4 + 3.61

Reorder the terms:
3.61 + -3.8x + x2 = -3.4 + 3.61

Combine like terms: -3.4 + 3.61 = 0.21
3.61 + -3.8x + x2 = 0.21

Factor a perfect square on the left side:
(x + -1.9)(x + -1.9) = 0.21

Calculate the square root of the right side: 0.458257569

Break this problem into two subproblems by setting 
(x + -1.9) equal to 0.458257569 and -0.458257569.

Subproblem 1

x + -1.9 = 0.458257569 Simplifying x + -1.9 = 0.458257569 Reorder the terms: -1.9 + x = 0.458257569 Solving -1.9 + x = 0.458257569 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.9' to each side of the equation. -1.9 + 1.9 + x = 0.458257569 + 1.9 Combine like terms: -1.9 + 1.9 = 0.0 0.0 + x = 0.458257569 + 1.9 x = 0.458257569 + 1.9 Combine like terms: 0.458257569 + 1.9 = 2.358257569 x = 2.358257569 Simplifying x = 2.358257569

Subproblem 2

x + -1.9 = -0.458257569 Simplifying x + -1.9 = -0.458257569 Reorder the terms: -1.9 + x = -0.458257569 Solving -1.9 + x = -0.458257569 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.9' to each side of the equation. -1.9 + 1.9 + x = -0.458257569 + 1.9 Combine like terms: -1.9 + 1.9 = 0.0 0.0 + x = -0.458257569 + 1.9 x = -0.458257569 + 1.9 Combine like terms: -0.458257569 + 1.9 = 1.441742431 x = 1.441742431 Simplifying x = 1.441742431

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.358257569, 1.441742431}

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