-17x^2-27x+4=0

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Solution for -17x^2-27x+4=0 equation:


Simplifying
-17x2 + -27x + 4 = 0

Reorder the terms:
4 + -27x + -17x2 = 0

Solving
4 + -27x + -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'.
-0.2352941176 + 1.588235294x + x2 = 0

Move the constant term to the right:

Add '0.2352941176' to each side of the equation.
-0.2352941176 + 1.588235294x + 0.2352941176 + x2 = 0 + 0.2352941176

Reorder the terms:
-0.2352941176 + 0.2352941176 + 1.588235294x + x2 = 0 + 0.2352941176

Combine like terms: -0.2352941176 + 0.2352941176 = 0.0000000000
0.0000000000 + 1.588235294x + x2 = 0 + 0.2352941176
1.588235294x + x2 = 0 + 0.2352941176

Combine like terms: 0 + 0.2352941176 = 0.2352941176
1.588235294x + x2 = 0.2352941176

The x term is 1.588235294x.  Take half its coefficient (0.794117647).
Square it (0.6306228373) and add it to both sides.

Add '0.6306228373' to each side of the equation.
1.588235294x + 0.6306228373 + x2 = 0.2352941176 + 0.6306228373

Reorder the terms:
0.6306228373 + 1.588235294x + x2 = 0.2352941176 + 0.6306228373

Combine like terms: 0.2352941176 + 0.6306228373 = 0.8659169549
0.6306228373 + 1.588235294x + x2 = 0.8659169549

Factor a perfect square on the left side:
(x + 0.794117647)(x + 0.794117647) = 0.8659169549

Calculate the square root of the right side: 0.930546589

Break this problem into two subproblems by setting 
(x + 0.794117647) equal to 0.930546589 and -0.930546589.

Subproblem 1

x + 0.794117647 = 0.930546589 Simplifying x + 0.794117647 = 0.930546589 Reorder the terms: 0.794117647 + x = 0.930546589 Solving 0.794117647 + x = 0.930546589 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.794117647' to each side of the equation. 0.794117647 + -0.794117647 + x = 0.930546589 + -0.794117647 Combine like terms: 0.794117647 + -0.794117647 = 0.000000000 0.000000000 + x = 0.930546589 + -0.794117647 x = 0.930546589 + -0.794117647 Combine like terms: 0.930546589 + -0.794117647 = 0.136428942 x = 0.136428942 Simplifying x = 0.136428942

Subproblem 2

x + 0.794117647 = -0.930546589 Simplifying x + 0.794117647 = -0.930546589 Reorder the terms: 0.794117647 + x = -0.930546589 Solving 0.794117647 + x = -0.930546589 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.794117647' to each side of the equation. 0.794117647 + -0.794117647 + x = -0.930546589 + -0.794117647 Combine like terms: 0.794117647 + -0.794117647 = 0.000000000 0.000000000 + x = -0.930546589 + -0.794117647 x = -0.930546589 + -0.794117647 Combine like terms: -0.930546589 + -0.794117647 = -1.724664236 x = -1.724664236 Simplifying x = -1.724664236

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.136428942, -1.724664236}

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