-20x^2+29x+5=0

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Solution for -20x^2+29x+5=0 equation:


Simplifying
-20x2 + 29x + 5 = 0

Reorder the terms:
5 + 29x + -20x2 = 0

Solving
5 + 29x + -20x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-20 the coefficient of the squared term: 

Divide each side by '-20'.
-0.25 + -1.45x + x2 = 0

Move the constant term to the right:

Add '0.25' to each side of the equation.
-0.25 + -1.45x + 0.25 + x2 = 0 + 0.25

Reorder the terms:
-0.25 + 0.25 + -1.45x + x2 = 0 + 0.25

Combine like terms: -0.25 + 0.25 = 0.00
0.00 + -1.45x + x2 = 0 + 0.25
-1.45x + x2 = 0 + 0.25

Combine like terms: 0 + 0.25 = 0.25
-1.45x + x2 = 0.25

The x term is -1.45x.  Take half its coefficient (-0.725).
Square it (0.525625) and add it to both sides.

Add '0.525625' to each side of the equation.
-1.45x + 0.525625 + x2 = 0.25 + 0.525625

Reorder the terms:
0.525625 + -1.45x + x2 = 0.25 + 0.525625

Combine like terms: 0.25 + 0.525625 = 0.775625
0.525625 + -1.45x + x2 = 0.775625

Factor a perfect square on the left side:
(x + -0.725)(x + -0.725) = 0.775625

Calculate the square root of the right side: 0.880695748

Break this problem into two subproblems by setting 
(x + -0.725) equal to 0.880695748 and -0.880695748.

Subproblem 1

x + -0.725 = 0.880695748 Simplifying x + -0.725 = 0.880695748 Reorder the terms: -0.725 + x = 0.880695748 Solving -0.725 + x = 0.880695748 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.725' to each side of the equation. -0.725 + 0.725 + x = 0.880695748 + 0.725 Combine like terms: -0.725 + 0.725 = 0.000 0.000 + x = 0.880695748 + 0.725 x = 0.880695748 + 0.725 Combine like terms: 0.880695748 + 0.725 = 1.605695748 x = 1.605695748 Simplifying x = 1.605695748

Subproblem 2

x + -0.725 = -0.880695748 Simplifying x + -0.725 = -0.880695748 Reorder the terms: -0.725 + x = -0.880695748 Solving -0.725 + x = -0.880695748 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.725' to each side of the equation. -0.725 + 0.725 + x = -0.880695748 + 0.725 Combine like terms: -0.725 + 0.725 = 0.000 0.000 + x = -0.880695748 + 0.725 x = -0.880695748 + 0.725 Combine like terms: -0.880695748 + 0.725 = -0.155695748 x = -0.155695748 Simplifying x = -0.155695748

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.605695748, -0.155695748}

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