5x^2-29x-9=

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Solution for 5x^2-29x-9= equation:


Simplifying
5x2 + -29x + -9 = 0

Reorder the terms:
-9 + -29x + 5x2 = 0

Solving
-9 + -29x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
-1.8 + -5.8x + x2 = 0

Move the constant term to the right:

Add '1.8' to each side of the equation.
-1.8 + -5.8x + 1.8 + x2 = 0 + 1.8

Reorder the terms:
-1.8 + 1.8 + -5.8x + x2 = 0 + 1.8

Combine like terms: -1.8 + 1.8 = 0.0
0.0 + -5.8x + x2 = 0 + 1.8
-5.8x + x2 = 0 + 1.8

Combine like terms: 0 + 1.8 = 1.8
-5.8x + x2 = 1.8

The x term is -5.8x.  Take half its coefficient (-2.9).
Square it (8.41) and add it to both sides.

Add '8.41' to each side of the equation.
-5.8x + 8.41 + x2 = 1.8 + 8.41

Reorder the terms:
8.41 + -5.8x + x2 = 1.8 + 8.41

Combine like terms: 1.8 + 8.41 = 10.21
8.41 + -5.8x + x2 = 10.21

Factor a perfect square on the left side:
(x + -2.9)(x + -2.9) = 10.21

Calculate the square root of the right side: 3.195309062

Break this problem into two subproblems by setting 
(x + -2.9) equal to 3.195309062 and -3.195309062.

Subproblem 1

x + -2.9 = 3.195309062 Simplifying x + -2.9 = 3.195309062 Reorder the terms: -2.9 + x = 3.195309062 Solving -2.9 + x = 3.195309062 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.9' to each side of the equation. -2.9 + 2.9 + x = 3.195309062 + 2.9 Combine like terms: -2.9 + 2.9 = 0.0 0.0 + x = 3.195309062 + 2.9 x = 3.195309062 + 2.9 Combine like terms: 3.195309062 + 2.9 = 6.095309062 x = 6.095309062 Simplifying x = 6.095309062

Subproblem 2

x + -2.9 = -3.195309062 Simplifying x + -2.9 = -3.195309062 Reorder the terms: -2.9 + x = -3.195309062 Solving -2.9 + x = -3.195309062 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.9' to each side of the equation. -2.9 + 2.9 + x = -3.195309062 + 2.9 Combine like terms: -2.9 + 2.9 = 0.0 0.0 + x = -3.195309062 + 2.9 x = -3.195309062 + 2.9 Combine like terms: -3.195309062 + 2.9 = -0.295309062 x = -0.295309062 Simplifying x = -0.295309062

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.095309062, -0.295309062}

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