7x^2+29x-41=0

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Solution for 7x^2+29x-41=0 equation:


Simplifying
7x2 + 29x + -41 = 0

Reorder the terms:
-41 + 29x + 7x2 = 0

Solving
-41 + 29x + 7x2 = 0

Solving for variable 'x'.

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

Divide each side by '7'.
-5.857142857 + 4.142857143x + x2 = 0

Move the constant term to the right:

Add '5.857142857' to each side of the equation.
-5.857142857 + 4.142857143x + 5.857142857 + x2 = 0 + 5.857142857

Reorder the terms:
-5.857142857 + 5.857142857 + 4.142857143x + x2 = 0 + 5.857142857

Combine like terms: -5.857142857 + 5.857142857 = 0.000000000
0.000000000 + 4.142857143x + x2 = 0 + 5.857142857
4.142857143x + x2 = 0 + 5.857142857

Combine like terms: 0 + 5.857142857 = 5.857142857
4.142857143x + x2 = 5.857142857

The x term is 4.142857143x.  Take half its coefficient (2.071428572).
Square it (4.290816329) and add it to both sides.

Add '4.290816329' to each side of the equation.
4.142857143x + 4.290816329 + x2 = 5.857142857 + 4.290816329

Reorder the terms:
4.290816329 + 4.142857143x + x2 = 5.857142857 + 4.290816329

Combine like terms: 5.857142857 + 4.290816329 = 10.147959186
4.290816329 + 4.142857143x + x2 = 10.147959186

Factor a perfect square on the left side:
(x + 2.071428572)(x + 2.071428572) = 10.147959186

Calculate the square root of the right side: 3.185586161

Break this problem into two subproblems by setting 
(x + 2.071428572) equal to 3.185586161 and -3.185586161.

Subproblem 1

x + 2.071428572 = 3.185586161 Simplifying x + 2.071428572 = 3.185586161 Reorder the terms: 2.071428572 + x = 3.185586161 Solving 2.071428572 + x = 3.185586161 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.071428572' to each side of the equation. 2.071428572 + -2.071428572 + x = 3.185586161 + -2.071428572 Combine like terms: 2.071428572 + -2.071428572 = 0.000000000 0.000000000 + x = 3.185586161 + -2.071428572 x = 3.185586161 + -2.071428572 Combine like terms: 3.185586161 + -2.071428572 = 1.114157589 x = 1.114157589 Simplifying x = 1.114157589

Subproblem 2

x + 2.071428572 = -3.185586161 Simplifying x + 2.071428572 = -3.185586161 Reorder the terms: 2.071428572 + x = -3.185586161 Solving 2.071428572 + x = -3.185586161 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.071428572' to each side of the equation. 2.071428572 + -2.071428572 + x = -3.185586161 + -2.071428572 Combine like terms: 2.071428572 + -2.071428572 = 0.000000000 0.000000000 + x = -3.185586161 + -2.071428572 x = -3.185586161 + -2.071428572 Combine like terms: -3.185586161 + -2.071428572 = -5.257014733 x = -5.257014733 Simplifying x = -5.257014733

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.114157589, -5.257014733}

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