17x^2-30x+8=0

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Solution for 17x^2-30x+8=0 equation:


Simplifying
17x2 + -30x + 8 = 0

Reorder the terms:
8 + -30x + 17x2 = 0

Solving
8 + -30x + 17x2 = 0

Solving for variable 'x'.

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

Divide each side by '17'.
0.4705882353 + -1.764705882x + x2 = 0

Move the constant term to the right:

Add '-0.4705882353' to each side of the equation.
0.4705882353 + -1.764705882x + -0.4705882353 + x2 = 0 + -0.4705882353

Reorder the terms:
0.4705882353 + -0.4705882353 + -1.764705882x + x2 = 0 + -0.4705882353

Combine like terms: 0.4705882353 + -0.4705882353 = 0.0000000000
0.0000000000 + -1.764705882x + x2 = 0 + -0.4705882353
-1.764705882x + x2 = 0 + -0.4705882353

Combine like terms: 0 + -0.4705882353 = -0.4705882353
-1.764705882x + x2 = -0.4705882353

The x term is -1.764705882x.  Take half its coefficient (-0.882352941).
Square it (0.7785467125) and add it to both sides.

Add '0.7785467125' to each side of the equation.
-1.764705882x + 0.7785467125 + x2 = -0.4705882353 + 0.7785467125

Reorder the terms:
0.7785467125 + -1.764705882x + x2 = -0.4705882353 + 0.7785467125

Combine like terms: -0.4705882353 + 0.7785467125 = 0.3079584772
0.7785467125 + -1.764705882x + x2 = 0.3079584772

Factor a perfect square on the left side:
(x + -0.882352941)(x + -0.882352941) = 0.3079584772

Calculate the square root of the right side: 0.554940066

Break this problem into two subproblems by setting 
(x + -0.882352941) equal to 0.554940066 and -0.554940066.

Subproblem 1

x + -0.882352941 = 0.554940066 Simplifying x + -0.882352941 = 0.554940066 Reorder the terms: -0.882352941 + x = 0.554940066 Solving -0.882352941 + x = 0.554940066 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.882352941' to each side of the equation. -0.882352941 + 0.882352941 + x = 0.554940066 + 0.882352941 Combine like terms: -0.882352941 + 0.882352941 = 0.000000000 0.000000000 + x = 0.554940066 + 0.882352941 x = 0.554940066 + 0.882352941 Combine like terms: 0.554940066 + 0.882352941 = 1.437293007 x = 1.437293007 Simplifying x = 1.437293007

Subproblem 2

x + -0.882352941 = -0.554940066 Simplifying x + -0.882352941 = -0.554940066 Reorder the terms: -0.882352941 + x = -0.554940066 Solving -0.882352941 + x = -0.554940066 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.882352941' to each side of the equation. -0.882352941 + 0.882352941 + x = -0.554940066 + 0.882352941 Combine like terms: -0.882352941 + 0.882352941 = 0.000000000 0.000000000 + x = -0.554940066 + 0.882352941 x = -0.554940066 + 0.882352941 Combine like terms: -0.554940066 + 0.882352941 = 0.327412875 x = 0.327412875 Simplifying x = 0.327412875

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.437293007, 0.327412875}

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