17x+12=9x^2

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Solution for 17x+12=9x^2 equation:


Simplifying
17x + 12 = 9x2

Reorder the terms:
12 + 17x = 9x2

Solving
12 + 17x = 9x2

Solving for variable 'x'.

Combine like terms: 9x2 + -9x2 = 0
12 + 17x + -9x2 = 0

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

Divide each side by '-9'.
-1.333333333 + -1.888888889x + x2 = 0

Move the constant term to the right:

Add '1.333333333' to each side of the equation.
-1.333333333 + -1.888888889x + 1.333333333 + x2 = 0 + 1.333333333

Reorder the terms:
-1.333333333 + 1.333333333 + -1.888888889x + x2 = 0 + 1.333333333

Combine like terms: -1.333333333 + 1.333333333 = 0.000000000
0.000000000 + -1.888888889x + x2 = 0 + 1.333333333
-1.888888889x + x2 = 0 + 1.333333333

Combine like terms: 0 + 1.333333333 = 1.333333333
-1.888888889x + x2 = 1.333333333

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 = 1.333333333 + 0.8919753087

Reorder the terms:
0.8919753087 + -1.888888889x + x2 = 1.333333333 + 0.8919753087

Combine like terms: 1.333333333 + 0.8919753087 = 2.2253086417
0.8919753087 + -1.888888889x + x2 = 2.2253086417

Factor a perfect square on the left side:
(x + -0.9444444445)(x + -0.9444444445) = 2.2253086417

Calculate the square root of the right side: 1.491746842

Break this problem into two subproblems by setting 
(x + -0.9444444445) equal to 1.491746842 and -1.491746842.

Subproblem 1

x + -0.9444444445 = 1.491746842 Simplifying x + -0.9444444445 = 1.491746842 Reorder the terms: -0.9444444445 + x = 1.491746842 Solving -0.9444444445 + x = 1.491746842 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 = 1.491746842 + 0.9444444445 Combine like terms: -0.9444444445 + 0.9444444445 = 0.0000000000 0.0000000000 + x = 1.491746842 + 0.9444444445 x = 1.491746842 + 0.9444444445 Combine like terms: 1.491746842 + 0.9444444445 = 2.4361912865 x = 2.4361912865 Simplifying x = 2.4361912865

Subproblem 2

x + -0.9444444445 = -1.491746842 Simplifying x + -0.9444444445 = -1.491746842 Reorder the terms: -0.9444444445 + x = -1.491746842 Solving -0.9444444445 + x = -1.491746842 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 = -1.491746842 + 0.9444444445 Combine like terms: -0.9444444445 + 0.9444444445 = 0.0000000000 0.0000000000 + x = -1.491746842 + 0.9444444445 x = -1.491746842 + 0.9444444445 Combine like terms: -1.491746842 + 0.9444444445 = -0.5473023975 x = -0.5473023975 Simplifying x = -0.5473023975

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.4361912865, -0.5473023975}

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