29x^2-58x-42=0

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Solution for 29x^2-58x-42=0 equation:


Simplifying
29x2 + -58x + -42 = 0

Reorder the terms:
-42 + -58x + 29x2 = 0

Solving
-42 + -58x + 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 + -2x + x2 = 0

Move the constant term to the right:

Add '1.448275862' to each side of the equation.
-1.448275862 + -2x + 1.448275862 + x2 = 0 + 1.448275862

Reorder the terms:
-1.448275862 + 1.448275862 + -2x + x2 = 0 + 1.448275862

Combine like terms: -1.448275862 + 1.448275862 = 0.000000000
0.000000000 + -2x + x2 = 0 + 1.448275862
-2x + x2 = 0 + 1.448275862

Combine like terms: 0 + 1.448275862 = 1.448275862
-2x + x2 = 1.448275862

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 1.448275862 + 1

Reorder the terms:
1 + -2x + x2 = 1.448275862 + 1

Combine like terms: 1.448275862 + 1 = 2.448275862
1 + -2x + x2 = 2.448275862

Factor a perfect square on the left side:
(x + -1)(x + -1) = 2.448275862

Calculate the square root of the right side: 1.564696732

Break this problem into two subproblems by setting 
(x + -1) equal to 1.564696732 and -1.564696732.

Subproblem 1

x + -1 = 1.564696732 Simplifying x + -1 = 1.564696732 Reorder the terms: -1 + x = 1.564696732 Solving -1 + x = 1.564696732 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 1.564696732 + 1 Combine like terms: -1 + 1 = 0 0 + x = 1.564696732 + 1 x = 1.564696732 + 1 Combine like terms: 1.564696732 + 1 = 2.564696732 x = 2.564696732 Simplifying x = 2.564696732

Subproblem 2

x + -1 = -1.564696732 Simplifying x + -1 = -1.564696732 Reorder the terms: -1 + x = -1.564696732 Solving -1 + x = -1.564696732 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -1.564696732 + 1 Combine like terms: -1 + 1 = 0 0 + x = -1.564696732 + 1 x = -1.564696732 + 1 Combine like terms: -1.564696732 + 1 = -0.564696732 x = -0.564696732 Simplifying x = -0.564696732

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.564696732, -0.564696732}

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