29x^2-6x-42=0

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Solution for 29x^2-6x-42=0 equation:


Simplifying
29x2 + -6x + -42 = 0

Reorder the terms:
-42 + -6x + 29x2 = 0

Solving
-42 + -6x + 29x2 = 0

Solving for variable 'x'.

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

Divide each side by '29'.
-1.448275862 + -0.2068965517x + x2 = 0

Move the constant term to the right:

Add '1.448275862' to each side of the equation.
-1.448275862 + -0.2068965517x + 1.448275862 + x2 = 0 + 1.448275862

Reorder the terms:
-1.448275862 + 1.448275862 + -0.2068965517x + x2 = 0 + 1.448275862

Combine like terms: -1.448275862 + 1.448275862 = 0.000000000
0.000000000 + -0.2068965517x + x2 = 0 + 1.448275862
-0.2068965517x + x2 = 0 + 1.448275862

Combine like terms: 0 + 1.448275862 = 1.448275862
-0.2068965517x + x2 = 1.448275862

The x term is -0.2068965517x.  Take half its coefficient (-0.1034482759).
Square it (0.01070154579) and add it to both sides.

Add '0.01070154579' to each side of the equation.
-0.2068965517x + 0.01070154579 + x2 = 1.448275862 + 0.01070154579

Reorder the terms:
0.01070154579 + -0.2068965517x + x2 = 1.448275862 + 0.01070154579

Combine like terms: 1.448275862 + 0.01070154579 = 1.45897740779
0.01070154579 + -0.2068965517x + x2 = 1.45897740779

Factor a perfect square on the left side:
(x + -0.1034482759)(x + -0.1034482759) = 1.45897740779

Calculate the square root of the right side: 1.207881372

Break this problem into two subproblems by setting 
(x + -0.1034482759) equal to 1.207881372 and -1.207881372.

Subproblem 1

x + -0.1034482759 = 1.207881372 Simplifying x + -0.1034482759 = 1.207881372 Reorder the terms: -0.1034482759 + x = 1.207881372 Solving -0.1034482759 + x = 1.207881372 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1034482759' to each side of the equation. -0.1034482759 + 0.1034482759 + x = 1.207881372 + 0.1034482759 Combine like terms: -0.1034482759 + 0.1034482759 = 0.0000000000 0.0000000000 + x = 1.207881372 + 0.1034482759 x = 1.207881372 + 0.1034482759 Combine like terms: 1.207881372 + 0.1034482759 = 1.3113296479 x = 1.3113296479 Simplifying x = 1.3113296479

Subproblem 2

x + -0.1034482759 = -1.207881372 Simplifying x + -0.1034482759 = -1.207881372 Reorder the terms: -0.1034482759 + x = -1.207881372 Solving -0.1034482759 + x = -1.207881372 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1034482759' to each side of the equation. -0.1034482759 + 0.1034482759 + x = -1.207881372 + 0.1034482759 Combine like terms: -0.1034482759 + 0.1034482759 = 0.0000000000 0.0000000000 + x = -1.207881372 + 0.1034482759 x = -1.207881372 + 0.1034482759 Combine like terms: -1.207881372 + 0.1034482759 = -1.1044330961 x = -1.1044330961 Simplifying x = -1.1044330961

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.3113296479, -1.1044330961}

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