16x^2-15x+1=0

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Solution for 16x^2-15x+1=0 equation:


Simplifying
16x2 + -15x + 1 = 0

Reorder the terms:
1 + -15x + 16x2 = 0

Solving
1 + -15x + 16x2 = 0

Solving for variable 'x'.

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

Divide each side by '16'.
0.0625 + -0.9375x + x2 = 0

Move the constant term to the right:

Add '-0.0625' to each side of the equation.
0.0625 + -0.9375x + -0.0625 + x2 = 0 + -0.0625

Reorder the terms:
0.0625 + -0.0625 + -0.9375x + x2 = 0 + -0.0625

Combine like terms: 0.0625 + -0.0625 = 0.0000
0.0000 + -0.9375x + x2 = 0 + -0.0625
-0.9375x + x2 = 0 + -0.0625

Combine like terms: 0 + -0.0625 = -0.0625
-0.9375x + x2 = -0.0625

The x term is -0.9375x.  Take half its coefficient (-0.46875).
Square it (0.2197265625) and add it to both sides.

Add '0.2197265625' to each side of the equation.
-0.9375x + 0.2197265625 + x2 = -0.0625 + 0.2197265625

Reorder the terms:
0.2197265625 + -0.9375x + x2 = -0.0625 + 0.2197265625

Combine like terms: -0.0625 + 0.2197265625 = 0.1572265625
0.2197265625 + -0.9375x + x2 = 0.1572265625

Factor a perfect square on the left side:
(x + -0.46875)(x + -0.46875) = 0.1572265625

Calculate the square root of the right side: 0.396518048

Break this problem into two subproblems by setting 
(x + -0.46875) equal to 0.396518048 and -0.396518048.

Subproblem 1

x + -0.46875 = 0.396518048 Simplifying x + -0.46875 = 0.396518048 Reorder the terms: -0.46875 + x = 0.396518048 Solving -0.46875 + x = 0.396518048 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.46875' to each side of the equation. -0.46875 + 0.46875 + x = 0.396518048 + 0.46875 Combine like terms: -0.46875 + 0.46875 = 0.00000 0.00000 + x = 0.396518048 + 0.46875 x = 0.396518048 + 0.46875 Combine like terms: 0.396518048 + 0.46875 = 0.865268048 x = 0.865268048 Simplifying x = 0.865268048

Subproblem 2

x + -0.46875 = -0.396518048 Simplifying x + -0.46875 = -0.396518048 Reorder the terms: -0.46875 + x = -0.396518048 Solving -0.46875 + x = -0.396518048 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.46875' to each side of the equation. -0.46875 + 0.46875 + x = -0.396518048 + 0.46875 Combine like terms: -0.46875 + 0.46875 = 0.00000 0.00000 + x = -0.396518048 + 0.46875 x = -0.396518048 + 0.46875 Combine like terms: -0.396518048 + 0.46875 = 0.072231952 x = 0.072231952 Simplifying x = 0.072231952

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.865268048, 0.072231952}

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