17x-9x^2=5

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Solution for 17x-9x^2=5 equation:


Simplifying
17x + -9x2 = 5

Solving
17x + -9x2 = 5

Solving for variable 'x'.

Reorder the terms:
-5 + 17x + -9x2 = 5 + -5

Combine like terms: 5 + -5 = 0
-5 + 17x + -9x2 = 0

Begin completing the square.  Divide all terms by
-9 the coefficient of the squared term: 

Divide each side by '-9'.
0.5555555556 + -1.888888889x + x2 = 0

Move the constant term to the right:

Add '-0.5555555556' to each side of the equation.
0.5555555556 + -1.888888889x + -0.5555555556 + x2 = 0 + -0.5555555556

Reorder the terms:
0.5555555556 + -0.5555555556 + -1.888888889x + x2 = 0 + -0.5555555556

Combine like terms: 0.5555555556 + -0.5555555556 = 0.0000000000
0.0000000000 + -1.888888889x + x2 = 0 + -0.5555555556
-1.888888889x + x2 = 0 + -0.5555555556

Combine like terms: 0 + -0.5555555556 = -0.5555555556
-1.888888889x + x2 = -0.5555555556

The x term is -1.888888889x.  Take half its coefficient (-0.9444444445).
Square it (0.8919753087) and add it to both sides.

Add '0.8919753087' to each side of the equation.
-1.888888889x + 0.8919753087 + x2 = -0.5555555556 + 0.8919753087

Reorder the terms:
0.8919753087 + -1.888888889x + x2 = -0.5555555556 + 0.8919753087

Combine like terms: -0.5555555556 + 0.8919753087 = 0.3364197531
0.8919753087 + -1.888888889x + x2 = 0.3364197531

Factor a perfect square on the left side:
(x + -0.9444444445)(x + -0.9444444445) = 0.3364197531

Calculate the square root of the right side: 0.580017028

Break this problem into two subproblems by setting 
(x + -0.9444444445) equal to 0.580017028 and -0.580017028.

Subproblem 1

x + -0.9444444445 = 0.580017028 Simplifying x + -0.9444444445 = 0.580017028 Reorder the terms: -0.9444444445 + x = 0.580017028 Solving -0.9444444445 + x = 0.580017028 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.9444444445' to each side of the equation. -0.9444444445 + 0.9444444445 + x = 0.580017028 + 0.9444444445 Combine like terms: -0.9444444445 + 0.9444444445 = 0.0000000000 0.0000000000 + x = 0.580017028 + 0.9444444445 x = 0.580017028 + 0.9444444445 Combine like terms: 0.580017028 + 0.9444444445 = 1.5244614725 x = 1.5244614725 Simplifying x = 1.5244614725

Subproblem 2

x + -0.9444444445 = -0.580017028 Simplifying x + -0.9444444445 = -0.580017028 Reorder the terms: -0.9444444445 + x = -0.580017028 Solving -0.9444444445 + x = -0.580017028 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.9444444445' to each side of the equation. -0.9444444445 + 0.9444444445 + x = -0.580017028 + 0.9444444445 Combine like terms: -0.9444444445 + 0.9444444445 = 0.0000000000 0.0000000000 + x = -0.580017028 + 0.9444444445 x = -0.580017028 + 0.9444444445 Combine like terms: -0.580017028 + 0.9444444445 = 0.3644274165 x = 0.3644274165 Simplifying x = 0.3644274165

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.5244614725, 0.3644274165}

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