72x^2-29x+1=

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Solution for 72x^2-29x+1= equation:


Simplifying
72x2 + -29x + 1 = 0

Reorder the terms:
1 + -29x + 72x2 = 0

Solving
1 + -29x + 72x2 = 0

Solving for variable 'x'.

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

Divide each side by '72'.
0.01388888889 + -0.4027777778x + x2 = 0

Move the constant term to the right:

Add '-0.01388888889' to each side of the equation.
0.01388888889 + -0.4027777778x + -0.01388888889 + x2 = 0 + -0.01388888889

Reorder the terms:
0.01388888889 + -0.01388888889 + -0.4027777778x + x2 = 0 + -0.01388888889

Combine like terms: 0.01388888889 + -0.01388888889 = 0.00000000000
0.00000000000 + -0.4027777778x + x2 = 0 + -0.01388888889
-0.4027777778x + x2 = 0 + -0.01388888889

Combine like terms: 0 + -0.01388888889 = -0.01388888889
-0.4027777778x + x2 = -0.01388888889

The x term is -0.4027777778x.  Take half its coefficient (-0.2013888889).
Square it (0.04055748457) and add it to both sides.

Add '0.04055748457' to each side of the equation.
-0.4027777778x + 0.04055748457 + x2 = -0.01388888889 + 0.04055748457

Reorder the terms:
0.04055748457 + -0.4027777778x + x2 = -0.01388888889 + 0.04055748457

Combine like terms: -0.01388888889 + 0.04055748457 = 0.02666859568
0.04055748457 + -0.4027777778x + x2 = 0.02666859568

Factor a perfect square on the left side:
(x + -0.2013888889)(x + -0.2013888889) = 0.02666859568

Calculate the square root of the right side: 0.163305222

Break this problem into two subproblems by setting 
(x + -0.2013888889) equal to 0.163305222 and -0.163305222.

Subproblem 1

x + -0.2013888889 = 0.163305222 Simplifying x + -0.2013888889 = 0.163305222 Reorder the terms: -0.2013888889 + x = 0.163305222 Solving -0.2013888889 + x = 0.163305222 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2013888889' to each side of the equation. -0.2013888889 + 0.2013888889 + x = 0.163305222 + 0.2013888889 Combine like terms: -0.2013888889 + 0.2013888889 = 0.0000000000 0.0000000000 + x = 0.163305222 + 0.2013888889 x = 0.163305222 + 0.2013888889 Combine like terms: 0.163305222 + 0.2013888889 = 0.3646941109 x = 0.3646941109 Simplifying x = 0.3646941109

Subproblem 2

x + -0.2013888889 = -0.163305222 Simplifying x + -0.2013888889 = -0.163305222 Reorder the terms: -0.2013888889 + x = -0.163305222 Solving -0.2013888889 + x = -0.163305222 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2013888889' to each side of the equation. -0.2013888889 + 0.2013888889 + x = -0.163305222 + 0.2013888889 Combine like terms: -0.2013888889 + 0.2013888889 = 0.0000000000 0.0000000000 + x = -0.163305222 + 0.2013888889 x = -0.163305222 + 0.2013888889 Combine like terms: -0.163305222 + 0.2013888889 = 0.0380836669 x = 0.0380836669 Simplifying x = 0.0380836669

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.3646941109, 0.0380836669}

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