17x^2-2x-75=0

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Solution for 17x^2-2x-75=0 equation:


Simplifying
17x2 + -2x + -75 = 0

Reorder the terms:
-75 + -2x + 17x2 = 0

Solving
-75 + -2x + 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'.
-4.411764706 + -0.1176470588x + x2 = 0

Move the constant term to the right:

Add '4.411764706' to each side of the equation.
-4.411764706 + -0.1176470588x + 4.411764706 + x2 = 0 + 4.411764706

Reorder the terms:
-4.411764706 + 4.411764706 + -0.1176470588x + x2 = 0 + 4.411764706

Combine like terms: -4.411764706 + 4.411764706 = 0.000000000
0.000000000 + -0.1176470588x + x2 = 0 + 4.411764706
-0.1176470588x + x2 = 0 + 4.411764706

Combine like terms: 0 + 4.411764706 = 4.411764706
-0.1176470588x + x2 = 4.411764706

The x term is -0.1176470588x.  Take half its coefficient (-0.0588235294).
Square it (0.003460207611) and add it to both sides.

Add '0.003460207611' to each side of the equation.
-0.1176470588x + 0.003460207611 + x2 = 4.411764706 + 0.003460207611

Reorder the terms:
0.003460207611 + -0.1176470588x + x2 = 4.411764706 + 0.003460207611

Combine like terms: 4.411764706 + 0.003460207611 = 4.415224913611
0.003460207611 + -0.1176470588x + x2 = 4.415224913611

Factor a perfect square on the left side:
(x + -0.0588235294)(x + -0.0588235294) = 4.415224913611

Calculate the square root of the right side: 2.101243659

Break this problem into two subproblems by setting 
(x + -0.0588235294) equal to 2.101243659 and -2.101243659.

Subproblem 1

x + -0.0588235294 = 2.101243659 Simplifying x + -0.0588235294 = 2.101243659 Reorder the terms: -0.0588235294 + x = 2.101243659 Solving -0.0588235294 + x = 2.101243659 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.0588235294' to each side of the equation. -0.0588235294 + 0.0588235294 + x = 2.101243659 + 0.0588235294 Combine like terms: -0.0588235294 + 0.0588235294 = 0.0000000000 0.0000000000 + x = 2.101243659 + 0.0588235294 x = 2.101243659 + 0.0588235294 Combine like terms: 2.101243659 + 0.0588235294 = 2.1600671884 x = 2.1600671884 Simplifying x = 2.1600671884

Subproblem 2

x + -0.0588235294 = -2.101243659 Simplifying x + -0.0588235294 = -2.101243659 Reorder the terms: -0.0588235294 + x = -2.101243659 Solving -0.0588235294 + x = -2.101243659 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.0588235294' to each side of the equation. -0.0588235294 + 0.0588235294 + x = -2.101243659 + 0.0588235294 Combine like terms: -0.0588235294 + 0.0588235294 = 0.0000000000 0.0000000000 + x = -2.101243659 + 0.0588235294 x = -2.101243659 + 0.0588235294 Combine like terms: -2.101243659 + 0.0588235294 = -2.0424201296 x = -2.0424201296 Simplifying x = -2.0424201296

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.1600671884, -2.0424201296}

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