x^2-29x+20=0

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


Simplifying
x2 + -29x + 20 = 0

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

Solving
20 + -29x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-20' to each side of the equation.
20 + -29x + -20 + x2 = 0 + -20

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

Combine like terms: 20 + -20 = 0
0 + -29x + x2 = 0 + -20
-29x + x2 = 0 + -20

Combine like terms: 0 + -20 = -20
-29x + x2 = -20

The x term is -29x.  Take half its coefficient (-14.5).
Square it (210.25) and add it to both sides.

Add '210.25' to each side of the equation.
-29x + 210.25 + x2 = -20 + 210.25

Reorder the terms:
210.25 + -29x + x2 = -20 + 210.25

Combine like terms: -20 + 210.25 = 190.25
210.25 + -29x + x2 = 190.25

Factor a perfect square on the left side:
(x + -14.5)(x + -14.5) = 190.25

Calculate the square root of the right side: 13.793114224

Break this problem into two subproblems by setting 
(x + -14.5) equal to 13.793114224 and -13.793114224.

Subproblem 1

x + -14.5 = 13.793114224 Simplifying x + -14.5 = 13.793114224 Reorder the terms: -14.5 + x = 13.793114224 Solving -14.5 + x = 13.793114224 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.5' to each side of the equation. -14.5 + 14.5 + x = 13.793114224 + 14.5 Combine like terms: -14.5 + 14.5 = 0.0 0.0 + x = 13.793114224 + 14.5 x = 13.793114224 + 14.5 Combine like terms: 13.793114224 + 14.5 = 28.293114224 x = 28.293114224 Simplifying x = 28.293114224

Subproblem 2

x + -14.5 = -13.793114224 Simplifying x + -14.5 = -13.793114224 Reorder the terms: -14.5 + x = -13.793114224 Solving -14.5 + x = -13.793114224 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.5' to each side of the equation. -14.5 + 14.5 + x = -13.793114224 + 14.5 Combine like terms: -14.5 + 14.5 = 0.0 0.0 + x = -13.793114224 + 14.5 x = -13.793114224 + 14.5 Combine like terms: -13.793114224 + 14.5 = 0.706885776 x = 0.706885776 Simplifying x = 0.706885776

Solution

The solution to the problem is based on the solutions from the subproblems. x = {28.293114224, 0.706885776}

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