5x^2=17x-2

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


Simplifying
5x2 = 17x + -2

Reorder the terms:
5x2 = -2 + 17x

Solving
5x2 = -2 + 17x

Solving for variable 'x'.

Reorder the terms:
2 + -17x + 5x2 = -2 + 17x + 2 + -17x

Reorder the terms:
2 + -17x + 5x2 = -2 + 2 + 17x + -17x

Combine like terms: -2 + 2 = 0
2 + -17x + 5x2 = 0 + 17x + -17x
2 + -17x + 5x2 = 17x + -17x

Combine like terms: 17x + -17x = 0
2 + -17x + 5x2 = 0

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

Divide each side by '5'.
0.4 + -3.4x + x2 = 0

Move the constant term to the right:

Add '-0.4' to each side of the equation.
0.4 + -3.4x + -0.4 + x2 = 0 + -0.4

Reorder the terms:
0.4 + -0.4 + -3.4x + x2 = 0 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + -3.4x + x2 = 0 + -0.4
-3.4x + x2 = 0 + -0.4

Combine like terms: 0 + -0.4 = -0.4
-3.4x + x2 = -0.4

The x term is -3.4x.  Take half its coefficient (-1.7).
Square it (2.89) and add it to both sides.

Add '2.89' to each side of the equation.
-3.4x + 2.89 + x2 = -0.4 + 2.89

Reorder the terms:
2.89 + -3.4x + x2 = -0.4 + 2.89

Combine like terms: -0.4 + 2.89 = 2.49
2.89 + -3.4x + x2 = 2.49

Factor a perfect square on the left side:
(x + -1.7)(x + -1.7) = 2.49

Calculate the square root of the right side: 1.577973384

Break this problem into two subproblems by setting 
(x + -1.7) equal to 1.577973384 and -1.577973384.

Subproblem 1

x + -1.7 = 1.577973384 Simplifying x + -1.7 = 1.577973384 Reorder the terms: -1.7 + x = 1.577973384 Solving -1.7 + x = 1.577973384 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.7' to each side of the equation. -1.7 + 1.7 + x = 1.577973384 + 1.7 Combine like terms: -1.7 + 1.7 = 0.0 0.0 + x = 1.577973384 + 1.7 x = 1.577973384 + 1.7 Combine like terms: 1.577973384 + 1.7 = 3.277973384 x = 3.277973384 Simplifying x = 3.277973384

Subproblem 2

x + -1.7 = -1.577973384 Simplifying x + -1.7 = -1.577973384 Reorder the terms: -1.7 + x = -1.577973384 Solving -1.7 + x = -1.577973384 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.7' to each side of the equation. -1.7 + 1.7 + x = -1.577973384 + 1.7 Combine like terms: -1.7 + 1.7 = 0.0 0.0 + x = -1.577973384 + 1.7 x = -1.577973384 + 1.7 Combine like terms: -1.577973384 + 1.7 = 0.122026616 x = 0.122026616 Simplifying x = 0.122026616

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.277973384, 0.122026616}

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